134 lines
6.0 KiB
LLVM
134 lines
6.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_analyze_test_checks.py
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; RUN: opt < %s -analyze -enable-new-pm=0 -scalar-evolution | FileCheck %s
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; RUN: opt < %s -disable-output "-passes=print<scalar-evolution>" 2>&1 | FileCheck %s
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source_filename = "input.cpp"
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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; Function Attrs: nofree
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define i8* @FSE_decompress_usingDTable(i8* %arg, i32 %arg1, i32 %arg2, i32 %arg3) local_unnamed_addr #0 {
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; CHECK-LABEL: 'FSE_decompress_usingDTable'
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; CHECK-NEXT: Classifying expressions for: @FSE_decompress_usingDTable
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; CHECK-NEXT: %i = getelementptr inbounds i8, i8* %arg, i32 %arg2
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; CHECK-NEXT: --> (%arg2 + %arg) U: full-set S: full-set
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; CHECK-NEXT: %i4 = sub nsw i32 0, %arg1
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; CHECK-NEXT: --> (-1 * %arg1) U: full-set S: full-set
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; CHECK-NEXT: %i5 = getelementptr inbounds i8, i8* %i, i32 %i4
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; CHECK-NEXT: --> ((-1 * %arg1) + %arg2 + %arg) U: full-set S: full-set
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; CHECK-NEXT: %i7 = select i1 %i6, i32 %arg2, i32 %arg1
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; CHECK-NEXT: --> ((-1 * %arg) + (((-1 * %arg1) + %arg2 + %arg) umin %arg) + %arg1) U: full-set S: full-set
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; CHECK-NEXT: %i8 = sub i32 %arg3, %i7
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; CHECK-NEXT: --> ((-1 * (((-1 * %arg1) + %arg2 + %arg) umin %arg)) + (-1 * %arg1) + %arg3 + %arg) U: full-set S: full-set
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; CHECK-NEXT: %i9 = getelementptr inbounds i8, i8* %arg, i32 %i8
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; CHECK-NEXT: --> ((2 * %arg) + (-1 * (((-1 * %arg1) + %arg2 + %arg) umin %arg)) + (-1 * %arg1) + %arg3) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @FSE_decompress_usingDTable
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;
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bb:
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%i = getelementptr inbounds i8, i8* %arg, i32 %arg2
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%i4 = sub nsw i32 0, %arg1
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%i5 = getelementptr inbounds i8, i8* %i, i32 %i4
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%i6 = icmp ult i8* %i5, %arg
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%i7 = select i1 %i6, i32 %arg2, i32 %arg1
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%i8 = sub i32 %arg3, %i7
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%i9 = getelementptr inbounds i8, i8* %arg, i32 %i8
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ret i8* %i9
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}
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define i8* @test_01(i8* %p) {
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; CHECK-LABEL: 'test_01'
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; CHECK-NEXT: Classifying expressions for: @test_01
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; CHECK-NEXT: %p1 = getelementptr i8, i8* %p, i32 2
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; CHECK-NEXT: --> (2 + %p) U: full-set S: full-set
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; CHECK-NEXT: %p2 = getelementptr i8, i8* %p, i32 1
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; CHECK-NEXT: --> (1 + %p) U: full-set S: full-set
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; CHECK-NEXT: %index = select i1 %cmp, i32 2, i32 1
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; CHECK-NEXT: --> ((-1 * %p) + ((1 + %p) umax (2 + %p))) U: full-set S: full-set
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; CHECK-NEXT: %neg_index = sub i32 0, %index
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; CHECK-NEXT: --> ((-1 * ((1 + %p) umax (2 + %p))) + %p) U: full-set S: full-set
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; CHECK-NEXT: %gep = getelementptr i8, i8* %p, i32 %neg_index
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; CHECK-NEXT: --> ((2 * %p) + (-1 * ((1 + %p) umax (2 + %p)))) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @test_01
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;
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%p1 = getelementptr i8, i8* %p, i32 2
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%p2 = getelementptr i8, i8* %p, i32 1
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%cmp = icmp ugt i8* %p1, %p2
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%index = select i1 %cmp, i32 2, i32 1
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%neg_index = sub i32 0, %index
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%gep = getelementptr i8, i8* %p, i32 %neg_index
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ret i8* %gep
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}
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define i8* @test_02(i8* %p) {
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; CHECK-LABEL: 'test_02'
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; CHECK-NEXT: Classifying expressions for: @test_02
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; CHECK-NEXT: %p1 = getelementptr i8, i8* %p, i32 2
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; CHECK-NEXT: --> (2 + %p) U: full-set S: full-set
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; CHECK-NEXT: %p2 = getelementptr i8, i8* %p, i32 1
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; CHECK-NEXT: --> (1 + %p) U: full-set S: full-set
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; CHECK-NEXT: %index = select i1 %cmp, i32 2, i32 1
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; CHECK-NEXT: --> ((-1 * %p) + ((1 + %p) smax (2 + %p))) U: full-set S: full-set
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; CHECK-NEXT: %neg_index = sub i32 0, %index
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; CHECK-NEXT: --> ((-1 * ((1 + %p) smax (2 + %p))) + %p) U: full-set S: full-set
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; CHECK-NEXT: %gep = getelementptr i8, i8* %p, i32 %neg_index
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; CHECK-NEXT: --> ((2 * %p) + (-1 * ((1 + %p) smax (2 + %p)))) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @test_02
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;
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%p1 = getelementptr i8, i8* %p, i32 2
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%p2 = getelementptr i8, i8* %p, i32 1
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%cmp = icmp sgt i8* %p1, %p2
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%index = select i1 %cmp, i32 2, i32 1
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%neg_index = sub i32 0, %index
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%gep = getelementptr i8, i8* %p, i32 %neg_index
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ret i8* %gep
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}
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define i8* @test_03(i8* %p) {
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; CHECK-LABEL: 'test_03'
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; CHECK-NEXT: Classifying expressions for: @test_03
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; CHECK-NEXT: %p1 = getelementptr i8, i8* %p, i32 2
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; CHECK-NEXT: --> (2 + %p) U: full-set S: full-set
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; CHECK-NEXT: %p2 = getelementptr i8, i8* %p, i32 1
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; CHECK-NEXT: --> (1 + %p) U: full-set S: full-set
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; CHECK-NEXT: %index = select i1 %cmp, i32 2, i32 1
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; CHECK-NEXT: --> ((-1 * %p) + ((1 + %p) umin (2 + %p))) U: full-set S: full-set
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; CHECK-NEXT: %neg_index = sub i32 0, %index
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; CHECK-NEXT: --> ((-1 * ((1 + %p) umin (2 + %p))) + %p) U: full-set S: full-set
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; CHECK-NEXT: %gep = getelementptr i8, i8* %p, i32 %neg_index
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; CHECK-NEXT: --> ((2 * %p) + (-1 * ((1 + %p) umin (2 + %p)))) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @test_03
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;
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%p1 = getelementptr i8, i8* %p, i32 2
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%p2 = getelementptr i8, i8* %p, i32 1
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%cmp = icmp ult i8* %p1, %p2
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%index = select i1 %cmp, i32 2, i32 1
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%neg_index = sub i32 0, %index
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%gep = getelementptr i8, i8* %p, i32 %neg_index
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ret i8* %gep
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}
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define i8* @test_04(i8* %p) {
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; CHECK-LABEL: 'test_04'
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; CHECK-NEXT: Classifying expressions for: @test_04
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; CHECK-NEXT: %p1 = getelementptr i8, i8* %p, i32 2
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; CHECK-NEXT: --> (2 + %p) U: full-set S: full-set
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; CHECK-NEXT: %p2 = getelementptr i8, i8* %p, i32 1
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; CHECK-NEXT: --> (1 + %p) U: full-set S: full-set
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; CHECK-NEXT: %index = select i1 %cmp, i32 2, i32 1
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; CHECK-NEXT: --> ((-1 * %p) + ((1 + %p) smin (2 + %p))) U: full-set S: full-set
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; CHECK-NEXT: %neg_index = sub i32 0, %index
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; CHECK-NEXT: --> ((-1 * ((1 + %p) smin (2 + %p))) + %p) U: full-set S: full-set
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; CHECK-NEXT: %gep = getelementptr i8, i8* %p, i32 %neg_index
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; CHECK-NEXT: --> ((2 * %p) + (-1 * ((1 + %p) smin (2 + %p)))) U: full-set S: full-set
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; CHECK-NEXT: Determining loop execution counts for: @test_04
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;
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%p1 = getelementptr i8, i8* %p, i32 2
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%p2 = getelementptr i8, i8* %p, i32 1
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%cmp = icmp slt i8* %p1, %p2
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%index = select i1 %cmp, i32 2, i32 1
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%neg_index = sub i32 0, %index
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%gep = getelementptr i8, i8* %p, i32 %neg_index
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ret i8* %gep
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}
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attributes #0 = { nofree }
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