613 lines
33 KiB
LLVM
613 lines
33 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s --data-layout="e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" -S -analyze -enable-new-pm=0 -scalar-evolution | FileCheck --check-prefixes=ALL,X64 %s
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; RUN: opt < %s --data-layout="e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" -S -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck --check-prefixes=ALL,X64 %s
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; RUN: opt < %s --data-layout="e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128" -S -analyze -enable-new-pm=0 -scalar-evolution | FileCheck --check-prefixes=ALL,X32 %s
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; RUN: opt < %s --data-layout="e-m:e-p:32:32-p270:32:32-p271:32:32-p272:64:64-f64:32:64-f80:32-n8:16:32-S128" -S -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck --check-prefixes=ALL,X32 %s
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; While we can't treat inttoptr/ptrtoint casts as fully transparent,
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; for ptrtoint cast, instead of modelling it as fully opaque (unknown),
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; we can at least model it as zext/trunc/self of an unknown,
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; iff it it's argument would be modelled as unknown anyways.
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declare void @useptr(i8*)
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; Simple ptrtoint of an argument, with casts to potentially different bit widths.
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define void @ptrtoint(i8* %in, i64* %out0, i32* %out1, i16* %out2, i128* %out3) {
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; X64-LABEL: 'ptrtoint'
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; X64-NEXT: Classifying expressions for: @ptrtoint
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; X64-NEXT: %p0 = ptrtoint i8* %in to i64
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; X64-NEXT: --> (ptrtoint i8* %in to i64) U: full-set S: full-set
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; X64-NEXT: %p1 = ptrtoint i8* %in to i32
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; X64-NEXT: --> (trunc i64 (ptrtoint i8* %in to i64) to i32) U: full-set S: full-set
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; X64-NEXT: %p2 = ptrtoint i8* %in to i16
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; X64-NEXT: --> (trunc i64 (ptrtoint i8* %in to i64) to i16) U: full-set S: full-set
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; X64-NEXT: %p3 = ptrtoint i8* %in to i128
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; X64-NEXT: --> (zext i64 (ptrtoint i8* %in to i64) to i128) U: [0,18446744073709551616) S: [0,18446744073709551616)
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; X64-NEXT: Determining loop execution counts for: @ptrtoint
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;
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; X32-LABEL: 'ptrtoint'
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; X32-NEXT: Classifying expressions for: @ptrtoint
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; X32-NEXT: %p0 = ptrtoint i8* %in to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: %p1 = ptrtoint i8* %in to i32
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; X32-NEXT: --> (ptrtoint i8* %in to i32) U: full-set S: full-set
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; X32-NEXT: %p2 = ptrtoint i8* %in to i16
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; X32-NEXT: --> (trunc i32 (ptrtoint i8* %in to i32) to i16) U: full-set S: full-set
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; X32-NEXT: %p3 = ptrtoint i8* %in to i128
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; X32-NEXT: --> (zext i32 (ptrtoint i8* %in to i32) to i128) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint
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;
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%p0 = ptrtoint i8* %in to i64
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%p1 = ptrtoint i8* %in to i32
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%p2 = ptrtoint i8* %in to i16
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%p3 = ptrtoint i8* %in to i128
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store i64 %p0, i64* %out0
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store i32 %p1, i32* %out1
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store i16 %p2, i16* %out2
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store i128 %p3, i128* %out3
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ret void
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}
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; Same, but from non-zero/non-default address space.
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define void @ptrtoint_as1(i8 addrspace(1)* %in, i64* %out0, i32* %out1, i16* %out2, i128* %out3) {
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; X64-LABEL: 'ptrtoint_as1'
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; X64-NEXT: Classifying expressions for: @ptrtoint_as1
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; X64-NEXT: %p0 = ptrtoint i8 addrspace(1)* %in to i64
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; X64-NEXT: --> (ptrtoint i8 addrspace(1)* %in to i64) U: full-set S: full-set
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; X64-NEXT: %p1 = ptrtoint i8 addrspace(1)* %in to i32
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; X64-NEXT: --> (trunc i64 (ptrtoint i8 addrspace(1)* %in to i64) to i32) U: full-set S: full-set
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; X64-NEXT: %p2 = ptrtoint i8 addrspace(1)* %in to i16
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; X64-NEXT: --> (trunc i64 (ptrtoint i8 addrspace(1)* %in to i64) to i16) U: full-set S: full-set
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; X64-NEXT: %p3 = ptrtoint i8 addrspace(1)* %in to i128
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; X64-NEXT: --> (zext i64 (ptrtoint i8 addrspace(1)* %in to i64) to i128) U: [0,18446744073709551616) S: [0,18446744073709551616)
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_as1
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;
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; X32-LABEL: 'ptrtoint_as1'
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; X32-NEXT: Classifying expressions for: @ptrtoint_as1
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; X32-NEXT: %p0 = ptrtoint i8 addrspace(1)* %in to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8 addrspace(1)* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: %p1 = ptrtoint i8 addrspace(1)* %in to i32
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; X32-NEXT: --> (ptrtoint i8 addrspace(1)* %in to i32) U: full-set S: full-set
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; X32-NEXT: %p2 = ptrtoint i8 addrspace(1)* %in to i16
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; X32-NEXT: --> (trunc i32 (ptrtoint i8 addrspace(1)* %in to i32) to i16) U: full-set S: full-set
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; X32-NEXT: %p3 = ptrtoint i8 addrspace(1)* %in to i128
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; X32-NEXT: --> (zext i32 (ptrtoint i8 addrspace(1)* %in to i32) to i128) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_as1
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;
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%p0 = ptrtoint i8 addrspace(1)* %in to i64
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%p1 = ptrtoint i8 addrspace(1)* %in to i32
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%p2 = ptrtoint i8 addrspace(1)* %in to i16
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%p3 = ptrtoint i8 addrspace(1)* %in to i128
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store i64 %p0, i64* %out0
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store i32 %p1, i32* %out1
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store i16 %p2, i16* %out2
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store i128 %p3, i128* %out3
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ret void
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}
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; Likewise, ptrtoint of a bitcast is fine, we simply skip it.
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define void @ptrtoint_of_bitcast(i8* %in, i64* %out0) {
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; X64-LABEL: 'ptrtoint_of_bitcast'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_bitcast
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; X64-NEXT: %in_casted = bitcast i8* %in to float*
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; X64-NEXT: --> %in U: full-set S: full-set
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; X64-NEXT: %p0 = ptrtoint float* %in_casted to i64
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; X64-NEXT: --> (ptrtoint i8* %in to i64) U: full-set S: full-set
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_bitcast
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;
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; X32-LABEL: 'ptrtoint_of_bitcast'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_bitcast
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; X32-NEXT: %in_casted = bitcast i8* %in to float*
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; X32-NEXT: --> %in U: full-set S: full-set
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; X32-NEXT: %p0 = ptrtoint float* %in_casted to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8* %in to i32) to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_bitcast
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;
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%in_casted = bitcast i8* %in to float*
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%p0 = ptrtoint float* %in_casted to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; addrspacecast is fine too, but We don't model addrspacecast, so we stop there.
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define void @ptrtoint_of_addrspacecast(i8* %in, i64* %out0) {
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; X64-LABEL: 'ptrtoint_of_addrspacecast'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_addrspacecast
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; X64-NEXT: %in_casted = addrspacecast i8* %in to i8 addrspace(1)*
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; X64-NEXT: --> %in_casted U: full-set S: full-set
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; X64-NEXT: %p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
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; X64-NEXT: --> (ptrtoint i8 addrspace(1)* %in_casted to i64) U: full-set S: full-set
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_addrspacecast
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;
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; X32-LABEL: 'ptrtoint_of_addrspacecast'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_addrspacecast
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; X32-NEXT: %in_casted = addrspacecast i8* %in to i8 addrspace(1)*
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; X32-NEXT: --> %in_casted U: full-set S: full-set
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; X32-NEXT: %p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8 addrspace(1)* %in_casted to i32) to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_addrspacecast
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;
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%in_casted = addrspacecast i8* %in to i8 addrspace(1)*
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%p0 = ptrtoint i8 addrspace(1)* %in_casted to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; inttoptr is fine too, but we don't (and can't) model inttoptr, so we stop there.
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define void @ptrtoint_of_inttoptr(i64 %in, i64* %out0) {
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; X64-LABEL: 'ptrtoint_of_inttoptr'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_inttoptr
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; X64-NEXT: %in_casted = inttoptr i64 %in to i8*
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; X64-NEXT: --> %in_casted U: full-set S: full-set
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; X64-NEXT: %p0 = ptrtoint i8* %in_casted to i64
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; X64-NEXT: --> (ptrtoint i8* %in_casted to i64) U: full-set S: full-set
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_inttoptr
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;
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; X32-LABEL: 'ptrtoint_of_inttoptr'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_inttoptr
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; X32-NEXT: %in_casted = inttoptr i64 %in to i8*
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; X32-NEXT: --> %in_casted U: full-set S: full-set
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; X32-NEXT: %p0 = ptrtoint i8* %in_casted to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8* %in_casted to i32) to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_inttoptr
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;
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%in_casted = inttoptr i64 %in to i8*
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%p0 = ptrtoint i8* %in_casted to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; A constant pointer is fine
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define void @ptrtoint_of_nullptr(i64* %out0) {
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; ALL-LABEL: 'ptrtoint_of_nullptr'
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; ALL-NEXT: Classifying expressions for: @ptrtoint_of_nullptr
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; ALL-NEXT: %p0 = ptrtoint i8* null to i64
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; ALL-NEXT: --> 0 U: [0,1) S: [0,1)
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; ALL-NEXT: Determining loop execution counts for: @ptrtoint_of_nullptr
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;
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%p0 = ptrtoint i8* null to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; A constant inttoptr argument of an ptrtoint is still bad.
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define void @ptrtoint_of_constantexpr_inttoptr(i64* %out0) {
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; X64-LABEL: 'ptrtoint_of_constantexpr_inttoptr'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_constantexpr_inttoptr
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; X64-NEXT: %p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
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; X64-NEXT: --> (ptrtoint i8* inttoptr (i64 42 to i8*) to i64) U: [42,43) S: [-64,64)
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_constantexpr_inttoptr
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;
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; X32-LABEL: 'ptrtoint_of_constantexpr_inttoptr'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_constantexpr_inttoptr
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; X32-NEXT: %p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
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; X32-NEXT: --> (zext i32 (ptrtoint i8* inttoptr (i64 42 to i8*) to i32) to i64) U: [42,43) S: [0,4294967296)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_constantexpr_inttoptr
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;
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%p0 = ptrtoint i8* inttoptr (i64 42 to i8*) to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; ptrtoint of GEP is fine.
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define void @ptrtoint_of_gep(i8* %in, i64* %out0) {
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; X64-LABEL: 'ptrtoint_of_gep'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_gep
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; X64-NEXT: %in_adj = getelementptr inbounds i8, i8* %in, i64 42
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; X64-NEXT: --> (42 + %in)<nuw> U: [42,0) S: [42,0)
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; X64-NEXT: %p0 = ptrtoint i8* %in_adj to i64
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; X64-NEXT: --> (42 + (ptrtoint i8* %in to i64))<nuw> U: [42,0) S: [42,0)
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_gep
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;
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; X32-LABEL: 'ptrtoint_of_gep'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_gep
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; X32-NEXT: %in_adj = getelementptr inbounds i8, i8* %in, i64 42
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; X32-NEXT: --> (42 + %in)<nuw> U: [42,0) S: [42,0)
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; X32-NEXT: %p0 = ptrtoint i8* %in_adj to i64
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; X32-NEXT: --> (42 + (zext i32 (ptrtoint i8* %in to i32) to i64))<nuw><nsw> U: [42,4294967338) S: [42,4294967338)
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_gep
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;
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%in_adj = getelementptr inbounds i8, i8* %in, i64 42
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%p0 = ptrtoint i8* %in_adj to i64
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store i64 %p0, i64* %out0
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ret void
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}
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; It seems, we can't get ptrtoint of mul/udiv, or at least it's hard to come up with a test case.
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; ptrtoint of AddRec
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define void @ptrtoint_of_addrec(i32* %in, i32 %count) {
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; X64-LABEL: 'ptrtoint_of_addrec'
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; X64-NEXT: Classifying expressions for: @ptrtoint_of_addrec
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; X64-NEXT: %i3 = zext i32 %count to i64
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; X64-NEXT: --> (zext i32 %count to i64) U: [0,4294967296) S: [0,4294967296)
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; X64-NEXT: %i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
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; X64-NEXT: --> {0,+,1}<nuw><nsw><%loop> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: (-1 + (zext i32 %count to i64))<nsw> LoopDispositions: { %loop: Computable }
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; X64-NEXT: %i7 = getelementptr inbounds i32, i32* %in, i64 %i6
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; X64-NEXT: --> {%in,+,4}<nuw><%loop> U: full-set S: full-set Exits: (-4 + (4 * (zext i32 %count to i64))<nuw><nsw> + %in) LoopDispositions: { %loop: Computable }
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; X64-NEXT: %i8 = ptrtoint i32* %i7 to i64
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; X64-NEXT: --> {(ptrtoint i32* %in to i64),+,4}<nuw><%loop> U: full-set S: full-set Exits: (-4 + (4 * (zext i32 %count to i64))<nuw><nsw> + (ptrtoint i32* %in to i64)) LoopDispositions: { %loop: Computable }
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; X64-NEXT: %i9 = add nuw nsw i64 %i6, 1
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; X64-NEXT: --> {1,+,1}<nuw><%loop> U: [1,0) S: [1,0) Exits: (zext i32 %count to i64) LoopDispositions: { %loop: Computable }
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; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_addrec
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; X64-NEXT: Loop %loop: backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
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; X64-NEXT: Loop %loop: max backedge-taken count is -1
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; X64-NEXT: Loop %loop: Predicated backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
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; X64-NEXT: Predicates:
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; X64: Loop %loop: Trip multiple is 1
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;
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; X32-LABEL: 'ptrtoint_of_addrec'
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; X32-NEXT: Classifying expressions for: @ptrtoint_of_addrec
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; X32-NEXT: %i3 = zext i32 %count to i64
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; X32-NEXT: --> (zext i32 %count to i64) U: [0,4294967296) S: [0,4294967296)
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; X32-NEXT: %i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
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; X32-NEXT: --> {0,+,1}<nuw><nsw><%loop> U: [0,-9223372036854775808) S: [0,-9223372036854775808) Exits: (-1 + (zext i32 %count to i64))<nsw> LoopDispositions: { %loop: Computable }
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; X32-NEXT: %i7 = getelementptr inbounds i32, i32* %in, i64 %i6
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; X32-NEXT: --> {%in,+,4}<%loop> U: full-set S: full-set Exits: (-4 + (4 * %count) + %in) LoopDispositions: { %loop: Computable }
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; X32-NEXT: %i8 = ptrtoint i32* %i7 to i64
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; X32-NEXT: --> (zext i32 {(ptrtoint i32* %in to i32),+,4}<%loop> to i64) U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 (-4 + (4 * %count) + (ptrtoint i32* %in to i32)) to i64) LoopDispositions: { %loop: Computable }
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; X32-NEXT: %i9 = add nuw nsw i64 %i6, 1
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; X32-NEXT: --> {1,+,1}<nuw><%loop> U: [1,0) S: [1,0) Exits: (zext i32 %count to i64) LoopDispositions: { %loop: Computable }
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; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_addrec
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; X32-NEXT: Loop %loop: backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
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; X32-NEXT: Loop %loop: max backedge-taken count is -1
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; X32-NEXT: Loop %loop: Predicated backedge-taken count is (-1 + (zext i32 %count to i64))<nsw>
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; X32-NEXT: Predicates:
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; X32: Loop %loop: Trip multiple is 1
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;
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entry:
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%i3 = zext i32 %count to i64
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br label %loop
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loop:
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%i6 = phi i64 [ 0, %entry ], [ %i9, %loop ]
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%i7 = getelementptr inbounds i32, i32* %in, i64 %i6
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%i8 = ptrtoint i32* %i7 to i64
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tail call void @use(i64 %i8)
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%i9 = add nuw nsw i64 %i6, 1
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%i10 = icmp eq i64 %i9, %i3
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br i1 %i10, label %end, label %loop
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end:
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ret void
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}
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declare void @use(i64)
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; ptrtoint of UMax
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define void @ptrtoint_of_umax(i8* %in0, i8* %in1, i64* %out0) {
|
|
; X64-LABEL: 'ptrtoint_of_umax'
|
|
; X64-NEXT: Classifying expressions for: @ptrtoint_of_umax
|
|
; X64-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X64-NEXT: --> (%in0 umax %in1) U: full-set S: full-set
|
|
; X64-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X64-NEXT: --> ((ptrtoint i8* %in0 to i64) umax (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
|
|
; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_umax
|
|
;
|
|
; X32-LABEL: 'ptrtoint_of_umax'
|
|
; X32-NEXT: Classifying expressions for: @ptrtoint_of_umax
|
|
; X32-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X32-NEXT: --> (%in0 umax %in1) U: full-set S: full-set
|
|
; X32-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X32-NEXT: --> (zext i32 ((ptrtoint i8* %in0 to i32) umax (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_umax
|
|
;
|
|
%c = icmp uge i8* %in0, %in1
|
|
%s = select i1 %c, i8* %in0, i8* %in1
|
|
%p0 = ptrtoint i8* %s to i64
|
|
store i64 %p0, i64* %out0
|
|
ret void
|
|
}
|
|
; ptrtoint of SMax
|
|
define void @ptrtoint_of_smax(i8* %in0, i8* %in1, i64* %out0) {
|
|
; X64-LABEL: 'ptrtoint_of_smax'
|
|
; X64-NEXT: Classifying expressions for: @ptrtoint_of_smax
|
|
; X64-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X64-NEXT: --> (%in0 smax %in1) U: full-set S: full-set
|
|
; X64-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X64-NEXT: --> ((ptrtoint i8* %in0 to i64) smax (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
|
|
; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_smax
|
|
;
|
|
; X32-LABEL: 'ptrtoint_of_smax'
|
|
; X32-NEXT: Classifying expressions for: @ptrtoint_of_smax
|
|
; X32-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X32-NEXT: --> (%in0 smax %in1) U: full-set S: full-set
|
|
; X32-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X32-NEXT: --> (zext i32 ((ptrtoint i8* %in0 to i32) smax (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_smax
|
|
;
|
|
%c = icmp sge i8* %in0, %in1
|
|
%s = select i1 %c, i8* %in0, i8* %in1
|
|
%p0 = ptrtoint i8* %s to i64
|
|
store i64 %p0, i64* %out0
|
|
ret void
|
|
}
|
|
; ptrtoint of UMin
|
|
define void @ptrtoint_of_umin(i8* %in0, i8* %in1, i64* %out0) {
|
|
; X64-LABEL: 'ptrtoint_of_umin'
|
|
; X64-NEXT: Classifying expressions for: @ptrtoint_of_umin
|
|
; X64-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X64-NEXT: --> (%in0 umin %in1) U: full-set S: full-set
|
|
; X64-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X64-NEXT: --> ((ptrtoint i8* %in0 to i64) umin (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
|
|
; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_umin
|
|
;
|
|
; X32-LABEL: 'ptrtoint_of_umin'
|
|
; X32-NEXT: Classifying expressions for: @ptrtoint_of_umin
|
|
; X32-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X32-NEXT: --> (%in0 umin %in1) U: full-set S: full-set
|
|
; X32-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X32-NEXT: --> (zext i32 ((ptrtoint i8* %in0 to i32) umin (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_umin
|
|
;
|
|
%c = icmp ule i8* %in0, %in1
|
|
%s = select i1 %c, i8* %in0, i8* %in1
|
|
%p0 = ptrtoint i8* %s to i64
|
|
store i64 %p0, i64* %out0
|
|
ret void
|
|
}
|
|
; ptrtoint of SMin
|
|
define void @ptrtoint_of_smin(i8* %in0, i8* %in1, i64* %out0) {
|
|
; X64-LABEL: 'ptrtoint_of_smin'
|
|
; X64-NEXT: Classifying expressions for: @ptrtoint_of_smin
|
|
; X64-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X64-NEXT: --> (%in0 smin %in1) U: full-set S: full-set
|
|
; X64-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X64-NEXT: --> ((ptrtoint i8* %in0 to i64) smin (ptrtoint i8* %in1 to i64)) U: full-set S: full-set
|
|
; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_smin
|
|
;
|
|
; X32-LABEL: 'ptrtoint_of_smin'
|
|
; X32-NEXT: Classifying expressions for: @ptrtoint_of_smin
|
|
; X32-NEXT: %s = select i1 %c, i8* %in0, i8* %in1
|
|
; X32-NEXT: --> (%in0 smin %in1) U: full-set S: full-set
|
|
; X32-NEXT: %p0 = ptrtoint i8* %s to i64
|
|
; X32-NEXT: --> (zext i32 ((ptrtoint i8* %in0 to i32) smin (ptrtoint i8* %in1 to i32)) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_smin
|
|
;
|
|
%c = icmp sle i8* %in0, %in1
|
|
%s = select i1 %c, i8* %in0, i8* %in1
|
|
%p0 = ptrtoint i8* %s to i64
|
|
store i64 %p0, i64* %out0
|
|
ret void
|
|
}
|
|
|
|
; void pr46786_c26_char(char* start, char *end, char *other) {
|
|
; for (char* cur = start; cur != end; ++cur)
|
|
; other[cur - start] += *cur;
|
|
; }
|
|
define void @pr46786_c26_char(i8* %arg, i8* %arg1, i8* %arg2) {
|
|
; X64-LABEL: 'pr46786_c26_char'
|
|
; X64-NEXT: Classifying expressions for: @pr46786_c26_char
|
|
; X64-NEXT: %i4 = ptrtoint i8* %arg to i64
|
|
; X64-NEXT: --> (ptrtoint i8* %arg to i64) U: full-set S: full-set
|
|
; X64-NEXT: %i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
|
|
; X64-NEXT: --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + %arg1) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i8 = load i8, i8* %i7, align 1
|
|
; X64-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i9 = ptrtoint i8* %i7 to i64
|
|
; X64-NEXT: --> {(ptrtoint i8* %arg to i64),+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * %arg) + (ptrtoint i8* %arg to i64) + %arg1) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i10 = sub i64 %i9, %i4
|
|
; X64-NEXT: --> {0,+,1}<nw><%bb6> U: [0,-1) S: [0,-1) Exits: (-1 + (-1 * %arg) + %arg1) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
|
|
; X64-NEXT: --> {%arg2,+,1}<nw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * %arg) + %arg1 + %arg2) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i12 = load i8, i8* %i11, align 1
|
|
; X64-NEXT: --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i13 = add i8 %i12, %i8
|
|
; X64-NEXT: --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i14 = getelementptr inbounds i8, i8* %i7, i64 1
|
|
; X64-NEXT: --> {(1 + %arg)<nuw>,+,1}<nuw><%bb6> U: [1,0) S: [1,0) Exits: %arg1 LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: Determining loop execution counts for: @pr46786_c26_char
|
|
; X64-NEXT: Loop %bb6: backedge-taken count is (-1 + (-1 * %arg) + %arg1)
|
|
; X64-NEXT: Loop %bb6: max backedge-taken count is -2
|
|
; X64-NEXT: Loop %bb6: Predicated backedge-taken count is (-1 + (-1 * %arg) + %arg1)
|
|
; X64-NEXT: Predicates:
|
|
; X64: Loop %bb6: Trip multiple is 1
|
|
;
|
|
; X32-LABEL: 'pr46786_c26_char'
|
|
; X32-NEXT: Classifying expressions for: @pr46786_c26_char
|
|
; X32-NEXT: %i4 = ptrtoint i8* %arg to i64
|
|
; X32-NEXT: --> (zext i32 (ptrtoint i8* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: %i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
|
|
; X32-NEXT: --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + %arg1) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i8 = load i8, i8* %i7, align 1
|
|
; X32-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i9 = ptrtoint i8* %i7 to i64
|
|
; X32-NEXT: --> {(zext i32 (ptrtoint i8* %arg to i32) to i64),+,1}<nuw><%bb6> U: [0,8589934590) S: [0,8589934590) Exits: ((zext i8* (-1 + (-1 * %arg) + %arg1) to i64) + (zext i32 (ptrtoint i8* %arg to i32) to i64)) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i10 = sub i64 %i9, %i4
|
|
; X32-NEXT: --> {0,+,1}<nw><%bb6> U: [0,4294967295) S: [0,4294967295) Exits: (zext i8* (-1 + (-1 * %arg) + %arg1) to i64) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
|
|
; X32-NEXT: --> {%arg2,+,1}<%bb6> U: full-set S: full-set Exits: (-1 + (-1 * %arg) + %arg1 + %arg2) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i12 = load i8, i8* %i11, align 1
|
|
; X32-NEXT: --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i13 = add i8 %i12, %i8
|
|
; X32-NEXT: --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i14 = getelementptr inbounds i8, i8* %i7, i64 1
|
|
; X32-NEXT: --> {(1 + %arg)<nuw>,+,1}<nuw><%bb6> U: [1,0) S: [1,0) Exits: %arg1 LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: Determining loop execution counts for: @pr46786_c26_char
|
|
; X32-NEXT: Loop %bb6: backedge-taken count is (-1 + (-1 * %arg) + %arg1)
|
|
; X32-NEXT: Loop %bb6: max backedge-taken count is -2
|
|
; X32-NEXT: Loop %bb6: Predicated backedge-taken count is (-1 + (-1 * %arg) + %arg1)
|
|
; X32-NEXT: Predicates:
|
|
; X32: Loop %bb6: Trip multiple is 1
|
|
;
|
|
%i = icmp eq i8* %arg, %arg1
|
|
br i1 %i, label %bb5, label %bb3
|
|
|
|
bb3:
|
|
%i4 = ptrtoint i8* %arg to i64
|
|
br label %bb6
|
|
|
|
bb6:
|
|
%i7 = phi i8* [ %arg, %bb3 ], [ %i14, %bb6 ]
|
|
%i8 = load i8, i8* %i7
|
|
%i9 = ptrtoint i8* %i7 to i64
|
|
%i10 = sub i64 %i9, %i4
|
|
%i11 = getelementptr inbounds i8, i8* %arg2, i64 %i10
|
|
%i12 = load i8, i8* %i11
|
|
%i13 = add i8 %i12, %i8
|
|
store i8 %i13, i8* %i11
|
|
%i14 = getelementptr inbounds i8, i8* %i7, i64 1
|
|
%i15 = icmp eq i8* %i14, %arg1
|
|
br i1 %i15, label %bb5, label %bb6
|
|
|
|
bb5:
|
|
ret void
|
|
}
|
|
|
|
; void pr46786_c26_int(int* start, int *end, int *other) {
|
|
; for (int* cur = start; cur != end; ++cur)
|
|
; other[cur - start] += *cur;
|
|
; }
|
|
;
|
|
; FIXME: 4 * (%i10 EXACT/s 4) is just %i10
|
|
define void @pr46786_c26_int(i32* %arg, i32* %arg1, i32* %arg2) {
|
|
; X64-LABEL: 'pr46786_c26_int'
|
|
; X64-NEXT: Classifying expressions for: @pr46786_c26_int
|
|
; X64-NEXT: %i4 = ptrtoint i32* %arg to i64
|
|
; X64-NEXT: --> (ptrtoint i32* %arg to i64) U: full-set S: full-set
|
|
; X64-NEXT: %i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
|
|
; X64-NEXT: --> {%arg,+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i8 = load i32, i32* %i7, align 4
|
|
; X64-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i9 = ptrtoint i32* %i7 to i64
|
|
; X64-NEXT: --> {(ptrtoint i32* %arg to i64),+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> + (ptrtoint i32* %arg to i64)) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i10 = sub i64 %i9, %i4
|
|
; X64-NEXT: --> {0,+,4}<nw><%bb6> U: [0,-3) S: [-9223372036854775808,9223372036854775805) Exits: (4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i11 = ashr exact i64 %i10, 2
|
|
; X64-NEXT: --> ((({0,+,4}<nw><%bb6> smax {0,+,-4}<nw><%bb6>) /u 4) * (1 smin (-1 smax {0,+,4}<nw><%bb6>)))<nsw> U: [-4611686018427387903,4611686018427387904) S: [-4611686018427387903,4611686018427387904) Exits: ((((4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> smax (-4 * ((-4 + (-1 * %arg) + %arg1) /u 4))) /u 4) * (1 smin (-1 smax (4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw>)))<nsw> LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
|
|
; X64-NEXT: --> ((4 * (({0,+,4}<nw><%bb6> smax {0,+,-4}<nw><%bb6>) /u 4) * (1 smin (-1 smax {0,+,4}<nw><%bb6>))) + %arg2) U: full-set S: full-set Exits: ((4 * (((4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> smax (-4 * ((-4 + (-1 * %arg) + %arg1) /u 4))) /u 4) * (1 smin (-1 smax (4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw>))) + %arg2) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: %i13 = load i32, i32* %i12, align 4
|
|
; X64-NEXT: --> %i13 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i14 = add nsw i32 %i13, %i8
|
|
; X64-NEXT: --> (%i13 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X64-NEXT: %i15 = getelementptr inbounds i32, i32* %i7, i64 1
|
|
; X64-NEXT: --> {(4 + %arg)<nuw>,+,4}<nuw><%bb6> U: [4,0) S: [4,0) Exits: (4 + (4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
|
|
; X64-NEXT: Determining loop execution counts for: @pr46786_c26_int
|
|
; X64-NEXT: Loop %bb6: backedge-taken count is ((-4 + (-1 * %arg) + %arg1) /u 4)
|
|
; X64-NEXT: Loop %bb6: max backedge-taken count is 4611686018427387903
|
|
; X64-NEXT: Loop %bb6: Predicated backedge-taken count is ((-4 + (-1 * %arg) + %arg1) /u 4)
|
|
; X64-NEXT: Predicates:
|
|
; X64: Loop %bb6: Trip multiple is 1
|
|
;
|
|
; X32-LABEL: 'pr46786_c26_int'
|
|
; X32-NEXT: Classifying expressions for: @pr46786_c26_int
|
|
; X32-NEXT: %i4 = ptrtoint i32* %arg to i64
|
|
; X32-NEXT: --> (zext i32 (ptrtoint i32* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: %i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
|
|
; X32-NEXT: --> {%arg,+,4}<nuw><%bb6> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i8 = load i32, i32* %i7, align 4
|
|
; X32-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i9 = ptrtoint i32* %i7 to i64
|
|
; X32-NEXT: --> {(zext i32 (ptrtoint i32* %arg to i32) to i64),+,4}<nuw><%bb6> U: [0,8589934588) S: [0,8589934588) Exits: ((zext i32 (ptrtoint i32* %arg to i32) to i64) + (4 * ((zext i32* (-4 + (-1 * %arg) + %arg1) to i64) /u 4))<nuw><nsw>) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i10 = sub i64 %i9, %i4
|
|
; X32-NEXT: --> {0,+,4}<nw><%bb6> U: [0,4294967293) S: [0,4294967293) Exits: (4 * ((zext i32* (-4 + (-1 * %arg) + %arg1) to i64) /u 4))<nuw><nsw> LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i11 = ashr exact i64 %i10, 2
|
|
; X32-NEXT: --> ({0,+,1}<nw><%bb6> * (1 smin {0,+,4}<nuw><nsw><%bb6>))<nuw><nsw> U: [0,1073741824) S: [0,1073741824) Exits: (((zext i32* (-4 + (-1 * %arg) + %arg1) to i64) /u 4) * (1 smin (4 * ((zext i32* (-4 + (-1 * %arg) + %arg1) to i64) /u 4))<nuw><nsw>))<nuw><nsw> LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
|
|
; X32-NEXT: --> (((trunc i64 (1 smin {0,+,4}<nuw><nsw><%bb6>) to i32) * {0,+,4}<%bb6>) + %arg2) U: full-set S: full-set Exits: ((4 * (trunc i64 (1 smin (4 * ((zext i32* (-4 + (-1 * %arg) + %arg1) to i64) /u 4))<nuw><nsw>) to i32) * ((-4 + (-1 * %arg) + %arg1) /u 4)) + %arg2) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: %i13 = load i32, i32* %i12, align 4
|
|
; X32-NEXT: --> %i13 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i14 = add nsw i32 %i13, %i8
|
|
; X32-NEXT: --> (%i13 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant }
|
|
; X32-NEXT: %i15 = getelementptr inbounds i32, i32* %i7, i64 1
|
|
; X32-NEXT: --> {(4 + %arg)<nuw>,+,4}<nuw><%bb6> U: [4,0) S: [4,0) Exits: (4 + (4 * ((-4 + (-1 * %arg) + %arg1) /u 4))<nuw> + %arg) LoopDispositions: { %bb6: Computable }
|
|
; X32-NEXT: Determining loop execution counts for: @pr46786_c26_int
|
|
; X32-NEXT: Loop %bb6: backedge-taken count is ((-4 + (-1 * %arg) + %arg1) /u 4)
|
|
; X32-NEXT: Loop %bb6: max backedge-taken count is 1073741823
|
|
; X32-NEXT: Loop %bb6: Predicated backedge-taken count is ((-4 + (-1 * %arg) + %arg1) /u 4)
|
|
; X32-NEXT: Predicates:
|
|
; X32: Loop %bb6: Trip multiple is 1
|
|
;
|
|
%i = icmp eq i32* %arg, %arg1
|
|
br i1 %i, label %bb5, label %bb3
|
|
|
|
bb3:
|
|
%i4 = ptrtoint i32* %arg to i64
|
|
br label %bb6
|
|
|
|
bb6:
|
|
%i7 = phi i32* [ %arg, %bb3 ], [ %i15, %bb6 ]
|
|
%i8 = load i32, i32* %i7
|
|
%i9 = ptrtoint i32* %i7 to i64
|
|
%i10 = sub i64 %i9, %i4
|
|
%i11 = ashr exact i64 %i10, 2
|
|
%i12 = getelementptr inbounds i32, i32* %arg2, i64 %i11
|
|
%i13 = load i32, i32* %i12
|
|
%i14 = add nsw i32 %i13, %i8
|
|
store i32 %i14, i32* %i12
|
|
%i15 = getelementptr inbounds i32, i32* %i7, i64 1
|
|
%i16 = icmp eq i32* %i15, %arg1
|
|
br i1 %i16, label %bb5, label %bb6
|
|
|
|
bb5:
|
|
ret void
|
|
}
|
|
|
|
; During SCEV rewrites, we could end up calling `ScalarEvolution::getPtrToIntExpr()`
|
|
; on an integer. Make sure we handle that case gracefully.
|
|
define void @ptrtoint_of_integer(i8* %arg, i64 %arg1, i1 %arg2) local_unnamed_addr {
|
|
; X64-LABEL: 'ptrtoint_of_integer'
|
|
; X64-NEXT: Classifying expressions for: @ptrtoint_of_integer
|
|
; X64-NEXT: %i4 = ptrtoint i8* %arg to i64
|
|
; X64-NEXT: --> (ptrtoint i8* %arg to i64) U: full-set S: full-set
|
|
; X64-NEXT: %i6 = sub i64 %i4, %arg1
|
|
; X64-NEXT: --> ((-1 * %arg1) + (ptrtoint i8* %arg to i64)) U: full-set S: full-set
|
|
; X64-NEXT: %i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
|
|
; X64-NEXT: --> {1,+,1}<nuw><%bb8> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
|
|
; X64-NEXT: %i11 = add nuw i64 %i9, 1
|
|
; X64-NEXT: --> {2,+,1}<nw><%bb8> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
|
|
; X64-NEXT: Determining loop execution counts for: @ptrtoint_of_integer
|
|
; X64-NEXT: Loop %bb8: <multiple exits> Unpredictable backedge-taken count.
|
|
; X64-NEXT: exit count for bb8: ***COULDNOTCOMPUTE***
|
|
; X64-NEXT: exit count for bb10: (-2 + (-1 * %arg1) + (ptrtoint i8* %arg to i64))
|
|
; X64-NEXT: Loop %bb8: max backedge-taken count is -1
|
|
; X64-NEXT: Loop %bb8: Unpredictable predicated backedge-taken count.
|
|
;
|
|
; X32-LABEL: 'ptrtoint_of_integer'
|
|
; X32-NEXT: Classifying expressions for: @ptrtoint_of_integer
|
|
; X32-NEXT: %i4 = ptrtoint i8* %arg to i64
|
|
; X32-NEXT: --> (zext i32 (ptrtoint i8* %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296)
|
|
; X32-NEXT: %i6 = sub i64 %i4, %arg1
|
|
; X32-NEXT: --> ((zext i32 (ptrtoint i8* %arg to i32) to i64) + (-1 * %arg1)) U: full-set S: full-set
|
|
; X32-NEXT: %i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
|
|
; X32-NEXT: --> {1,+,1}<nuw><%bb8> U: [1,0) S: [1,0) Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
|
|
; X32-NEXT: %i11 = add nuw i64 %i9, 1
|
|
; X32-NEXT: --> {2,+,1}<nw><%bb8> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb8: Computable }
|
|
; X32-NEXT: Determining loop execution counts for: @ptrtoint_of_integer
|
|
; X32-NEXT: Loop %bb8: <multiple exits> Unpredictable backedge-taken count.
|
|
; X32-NEXT: exit count for bb8: ***COULDNOTCOMPUTE***
|
|
; X32-NEXT: exit count for bb10: (-2 + (zext i32 (ptrtoint i8* %arg to i32) to i64) + (-1 * %arg1))
|
|
; X32-NEXT: Loop %bb8: max backedge-taken count is -1
|
|
; X32-NEXT: Loop %bb8: Unpredictable predicated backedge-taken count.
|
|
;
|
|
bb:
|
|
%i = icmp eq i8* %arg, null
|
|
br i1 %i, label %bb14, label %bb3
|
|
|
|
bb3: ; preds = %bb
|
|
%i4 = ptrtoint i8* %arg to i64
|
|
br label %bb5
|
|
|
|
bb5: ; preds = %bb3
|
|
%i6 = sub i64 %i4, %arg1
|
|
br label %bb7
|
|
|
|
bb7: ; preds = %bb5
|
|
br label %bb8
|
|
|
|
bb8: ; preds = %bb10, %bb7
|
|
%i9 = phi i64 [ 1, %bb7 ], [ %i11, %bb10 ]
|
|
br i1 %arg2, label %bb10, label %bb13
|
|
|
|
bb10: ; preds = %bb8
|
|
%i11 = add nuw i64 %i9, 1
|
|
%i12 = icmp eq i64 %i11, %i6
|
|
br i1 %i12, label %bb13, label %bb8
|
|
|
|
bb13: ; preds = %bb10, %bb8
|
|
ret void
|
|
|
|
bb14: ; preds = %bb
|
|
ret void
|
|
}
|