forked from OSchip/llvm-project
91 lines
3.0 KiB
LLVM
91 lines
3.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -passes=sroa -S -o - < %s | FileCheck %s
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%t = type { i32, i32 }
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declare i8* @llvm.launder.invariant.group.p0i8(i8* %a)
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declare i8* @llvm.strip.invariant.group.p0i8(i8* %a)
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declare void @h(i32 %a)
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declare i32 @somevalue()
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define void @f() {
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; CHECK-LABEL: @f(
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; CHECK-NEXT: [[SV1:%.*]] = call i32 @somevalue()
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; CHECK-NEXT: [[SV2:%.*]] = call i32 @somevalue()
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; CHECK-NEXT: call void @h(i32 [[SV1]])
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; CHECK-NEXT: call void @h(i32 [[SV2]])
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; CHECK-NEXT: ret void
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;
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%a = alloca %t
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%a1 = getelementptr inbounds %t, %t* %a, i32 0, i32 0
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%a1_i8 = bitcast i32* %a1 to i8*
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%a1_i8_inv = call i8* @llvm.launder.invariant.group.p0i8(i8* %a1_i8)
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%a1_inv = bitcast i8* %a1_i8_inv to i32*
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%a2 = getelementptr inbounds %t, %t* %a, i32 0, i32 1
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%sv1 = call i32 @somevalue()
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%sv2 = call i32 @somevalue()
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store i32 %sv1, i32* %a1_inv, !invariant.group !0
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store i32 %sv2, i32* %a2
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%v1 = load i32, i32* %a1_inv, !invariant.group !0
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%v2 = load i32, i32* %a2
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call void @h(i32 %v1)
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call void @h(i32 %v2)
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ret void
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}
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define void @g() {
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; CHECK-LABEL: @g(
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; CHECK-NEXT: [[A:%.*]] = alloca [[T:%.*]], align 8
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; CHECK-NEXT: [[A1:%.*]] = getelementptr inbounds [[T]], %t* [[A]], i32 0, i32 0
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; CHECK-NEXT: [[A1_I8:%.*]] = bitcast i32* [[A1]] to i8*
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; CHECK-NEXT: [[A1_I8_INV:%.*]] = call i8* @llvm.launder.invariant.group.p0i8(i8* [[A1_I8]])
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; CHECK-NEXT: [[A1_INV:%.*]] = bitcast i8* [[A1_I8_INV]] to i32*
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; CHECK-NEXT: [[A2:%.*]] = getelementptr inbounds [[T]], %t* [[A]], i32 0, i32 1
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; CHECK-NEXT: [[SV1:%.*]] = call i32 @somevalue()
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; CHECK-NEXT: [[SV2:%.*]] = call i32 @somevalue()
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; CHECK-NEXT: store i32 [[SV1]], i32* [[A1_INV]], align 4, !invariant.group !0
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; CHECK-NEXT: store i32 [[SV2]], i32* [[A2]], align 4
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; CHECK-NEXT: [[V1:%.*]] = load i32, i32* [[A1_INV]], align 4, !invariant.group !0
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; CHECK-NEXT: [[V2:%.*]] = load i32, i32* [[A2]], align 4
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; CHECK-NEXT: call void @h(i32 [[V1]])
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; CHECK-NEXT: call void @h(i32 [[V2]])
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; CHECK-NEXT: [[A1_STRIPPED:%.*]] = call i8* @llvm.strip.invariant.group.p0i8(i8* [[A1_I8]])
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; CHECK-NEXT: [[A1_INT:%.*]] = ptrtoint i8* [[A1_STRIPPED]] to i32
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; CHECK-NEXT: call void @h(i32 [[A1_INT]])
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; CHECK-NEXT: ret void
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;
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%a = alloca %t
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%a1 = getelementptr inbounds %t, %t* %a, i32 0, i32 0
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%a1_i8 = bitcast i32* %a1 to i8*
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%a1_i8_inv = call i8* @llvm.launder.invariant.group.p0i8(i8* %a1_i8)
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%a1_inv = bitcast i8* %a1_i8_inv to i32*
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%a2 = getelementptr inbounds %t, %t* %a, i32 0, i32 1
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%sv1 = call i32 @somevalue()
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%sv2 = call i32 @somevalue()
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store i32 %sv1, i32* %a1_inv, !invariant.group !0
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store i32 %sv2, i32* %a2
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%v1 = load i32, i32* %a1_inv, !invariant.group !0
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%v2 = load i32, i32* %a2
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call void @h(i32 %v1)
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call void @h(i32 %v2)
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%a1_stripped = call i8* @llvm.strip.invariant.group.p0i8(i8* %a1_i8)
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%a1_int = ptrtoint i8* %a1_stripped to i32
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call void @h(i32 %a1_int)
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ret void
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}
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!0 = !{}
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