111 lines
4.4 KiB
LLVM
111 lines
4.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"
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target triple = "x86_64-unknown-linux-gnu"
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define i8 addrspace(4)* @f_0() {
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; CHECK-LABEL: @f_0(
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; CHECK-NEXT: ret i8 addrspace(4)* getelementptr (i8, i8 addrspace(4)* null, i64 50)
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;
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%result = getelementptr i8, i8 addrspace(4)* null, i64 50
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ret i8 addrspace(4)* %result
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}
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define i8 addrspace(3)* @f_1() {
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; inttoptr is fine here since addrspace(3) is integral.
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; CHECK-LABEL: @f_1(
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; CHECK-NEXT: ret i8 addrspace(3)* inttoptr (i64 50 to i8 addrspace(3)*)
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;
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%result = getelementptr i8, i8 addrspace(3)* null, i64 50
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ret i8 addrspace(3)* %result
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}
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define void @f_2(i8 addrspace(4)** %ptr0, i8 addrspace(4)** %ptr1) {
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; It is not okay to convert the load/store pair to load and store
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; integers, since pointers in address space 4 are non-integral.
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; CHECK-LABEL: @f_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[VAL:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[PTR0:%.*]], align 8
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; CHECK-NEXT: store i8 addrspace(4)* [[VAL]], i8 addrspace(4)** [[PTR1:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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entry:
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%val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0
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store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1
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ret void
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}
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define void @f_3(i8 addrspace(3)** %ptr0, i8 addrspace(3)** %ptr1) {
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; It *is* okay to convert the load/store pair to load and store
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; integers, since pointers in address space 3 are integral.
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; CHECK-LABEL: @f_3(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[VAL:%.*]] = load i8 addrspace(3)*, i8 addrspace(3)** [[PTR0:%.*]], align 8
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; CHECK-NEXT: store i8 addrspace(3)* [[VAL]], i8 addrspace(3)** [[PTR1:%.*]], align 8
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; CHECK-NEXT: ret void
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;
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entry:
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%val = load i8 addrspace(3)*, i8 addrspace(3)** %ptr0
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store i8 addrspace(3)* %val, i8 addrspace(3)** %ptr1
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ret void
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}
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define i64 @g(i8 addrspace(4)** %gp) {
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; CHECK-LABEL: @g(
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; CHECK-NEXT: [[DOTPRE:%.*]] = load i8 addrspace(4)*, i8 addrspace(4)** [[GP:%.*]], align 8
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; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc()
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; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i8 addrspace(4)* addrspace(4)*
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; CHECK-NEXT: [[TMP2:%.*]] = addrspacecast i8 addrspace(4)* addrspace(4)* [[TMP1]] to i8 addrspace(4)**
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; CHECK-NEXT: store i8 addrspace(4)* [[DOTPRE]], i8 addrspace(4)** [[TMP2]], align 8
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; CHECK-NEXT: [[TMP3:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i64 addrspace(4)*
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; CHECK-NEXT: [[V80:%.*]] = addrspacecast i64 addrspace(4)* [[TMP3]] to i64*
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; CHECK-NEXT: [[V81:%.*]] = load i64, i64* [[V80]], align 8
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; CHECK-NEXT: ret i64 [[V81]]
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;
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%.pre = load i8 addrspace(4)*, i8 addrspace(4)** %gp, align 8
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%v74 = call i8 addrspace(4)* @alloc()
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%v75 = addrspacecast i8 addrspace(4)* %v74 to i8*
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%v76 = bitcast i8* %v75 to i8 addrspace(4)**
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%v77 = getelementptr i8 addrspace(4)*, i8 addrspace(4)** %v76, i64 -1
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store i8 addrspace(4)* %.pre, i8 addrspace(4)** %v77, align 8
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%v80 = bitcast i8 addrspace(4)** %v77 to i64*
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%v81 = load i64, i64* %v80, align 8
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ret i64 %v81
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}
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define i64 @g2(i8* addrspace(4)* %gp) {
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; CHECK-LABEL: @g2(
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; CHECK-NEXT: [[DOTPRE:%.*]] = load i8*, i8* addrspace(4)* [[GP:%.*]], align 8
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; CHECK-NEXT: [[V74:%.*]] = call i8 addrspace(4)* @alloc()
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; CHECK-NEXT: [[V77:%.*]] = getelementptr i8, i8 addrspace(4)* [[V74]], i64 -8
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; CHECK-NEXT: [[TMP1:%.*]] = bitcast i8 addrspace(4)* [[V77]] to i8* addrspace(4)*
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; CHECK-NEXT: store i8* [[DOTPRE]], i8* addrspace(4)* [[TMP1]], align 8
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; CHECK-NEXT: [[V81_CAST:%.*]] = ptrtoint i8* [[DOTPRE]] to i64
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; CHECK-NEXT: ret i64 [[V81_CAST]]
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;
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%.pre = load i8*, i8* addrspace(4)* %gp, align 8
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%v74 = call i8 addrspace(4)* @alloc()
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%v76 = bitcast i8 addrspace(4)* %v74 to i8* addrspace(4)*
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%v77 = getelementptr i8*, i8* addrspace(4)* %v76, i64 -1
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store i8* %.pre, i8* addrspace(4)* %v77, align 8
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%v80 = bitcast i8* addrspace(4)* %v77 to i64 addrspace(4)*
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%v81 = load i64, i64 addrspace(4)* %v80, align 8
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ret i64 %v81
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}
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declare i8 addrspace(4)* @alloc()
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define i64 @f_4(i8 addrspace(4)* %v0) {
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; CHECK-LABEL: @f_4(
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; CHECK-NEXT: [[V6:%.*]] = call i64 bitcast (i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)*)(i8 addrspace(4)* [[V0:%.*]])
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; CHECK-NEXT: ret i64 [[V6]]
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;
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%v5 = bitcast i64 (i64)* @f_5 to i64 (i8 addrspace(4)*)*
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%v6 = call i64 %v5(i8 addrspace(4)* %v0)
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ret i64 %v6
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}
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declare i64 @f_5(i64)
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