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