; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; RUN: opt -S -passes=memcpyopt < %s -verify-memoryssa | FileCheck %s %struct.MaskedType = type { i8, i8 } declare void @llvm.lifetime.start.p0(i64, ptr nocapture) #0 declare void @llvm.lifetime.end.p0(i64, ptr nocapture) #0 declare void @MaskedFunction1(ptr, ptr addrspace(1)) declare void @MaskedFunction2(ptr, ptr) define i8 @test_gep_not_modified(ptr %in0, ptr %in1) { ; CHECK-LABEL: @test_gep_not_modified( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[FUNCALLOC:%.*]] = alloca [[STRUCT_MASKEDTYPE:%.*]], align 4 ; CHECK-NEXT: [[PTRALLOC:%.*]] = alloca i8, align 1 ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[PTRALLOC]]) ; CHECK-NEXT: [[ADDRSPACECAST:%.*]] = addrspacecast ptr [[PTRALLOC]] to ptr addrspace(1) ; CHECK-NEXT: call void @MaskedFunction1(ptr [[IN1:%.*]], ptr addrspace(1) [[ADDRSPACECAST]]) ; CHECK-NEXT: [[LOAD1:%.*]] = load i8, ptr [[PTRALLOC]], align 1 ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[PTRALLOC]]) ; CHECK-NEXT: [[GETELEMPTR1:%.*]] = getelementptr inbounds [[STRUCT_MASKEDTYPE]], ptr [[FUNCALLOC]], i32 0, i32 1 ; CHECK-NEXT: store i8 [[LOAD1]], ptr [[GETELEMPTR1]], align 1 ; CHECK-NEXT: ret i8 0 ; entry: %funcAlloc = alloca %struct.MaskedType, align 4 %ptrAlloc = alloca i8, align 1 call void @llvm.lifetime.start.p0(i64 4, ptr %ptrAlloc) #0 %addrspaceCast = addrspacecast ptr %ptrAlloc to ptr addrspace(1) call void @MaskedFunction1(ptr %in1, ptr addrspace(1) %addrspaceCast) %load1 = load i8, ptr %ptrAlloc, align 1 call void @llvm.lifetime.end.p0(i64 4, ptr %ptrAlloc) #0 %getElemPtr1 = getelementptr inbounds %struct.MaskedType, ptr %funcAlloc, i32 0, i32 1 store i8 %load1, ptr %getElemPtr1, align 1 ret i8 0 } define i8 @test_gep_modified(ptr %in0, ptr %in1) { ; CHECK-LABEL: @test_gep_modified( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[FUNCALLOC:%.*]] = alloca [[STRUCT_MASKEDTYPE:%.*]], align 4 ; CHECK-NEXT: [[PTRALLOC:%.*]] = alloca i8, align 1 ; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr [[PTRALLOC]]) ; CHECK-NEXT: [[GETELEMPTR1:%.*]] = getelementptr inbounds [[STRUCT_MASKEDTYPE]], ptr [[FUNCALLOC]], i32 0, i32 1 ; CHECK-NEXT: call void @MaskedFunction2(ptr [[IN1:%.*]], ptr [[GETELEMPTR1]]) ; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr [[PTRALLOC]]) ; CHECK-NEXT: ret i8 0 ; entry: %funcAlloc = alloca %struct.MaskedType, align 4 %ptrAlloc = alloca i8, align 1 call void @llvm.lifetime.start.p0(i64 4, ptr %ptrAlloc) #0 call void @MaskedFunction2(ptr %in1, ptr %ptrAlloc) %load1 = load i8, ptr %ptrAlloc, align 1 call void @llvm.lifetime.end.p0(i64 4, ptr %ptrAlloc) #0 %getElemPtr1 = getelementptr inbounds %struct.MaskedType, ptr %funcAlloc, i32 0, i32 1 store i8 %load1, ptr %getElemPtr1, align 1 ret i8 0 }