derek.holloway
7502bf64a4
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61 lines
2.7 KiB
LLVM
61 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=memcpyopt < %s -verify-memoryssa | FileCheck %s
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%struct.MaskedType = type { i8, i8 }
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declare void @llvm.lifetime.start.p0(ptr nocapture) #0
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declare void @llvm.lifetime.end.p0(ptr nocapture) #0
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declare void @MaskedFunction1(ptr, ptr addrspace(1))
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declare void @MaskedFunction2(ptr, ptr)
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define i8 @test_gep_not_modified(ptr %in0, ptr %in1) {
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; CHECK-LABEL: @test_gep_not_modified(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[FUNCALLOC:%.*]] = alloca [[STRUCT_MASKEDTYPE:%.*]], align 4
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; CHECK-NEXT: [[PTRALLOC:%.*]] = alloca i8, align 1
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[PTRALLOC]])
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; CHECK-NEXT: [[ADDRSPACECAST:%.*]] = addrspacecast ptr [[PTRALLOC]] to ptr addrspace(1)
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; CHECK-NEXT: call void @MaskedFunction1(ptr [[IN1:%.*]], ptr addrspace(1) [[ADDRSPACECAST]])
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; CHECK-NEXT: [[LOAD1:%.*]] = load i8, ptr [[PTRALLOC]], align 1
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[PTRALLOC]])
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; CHECK-NEXT: [[GETELEMPTR1:%.*]] = getelementptr inbounds [[STRUCT_MASKEDTYPE]], ptr [[FUNCALLOC]], i32 0, i32 1
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; CHECK-NEXT: store i8 [[LOAD1]], ptr [[GETELEMPTR1]], align 1
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; CHECK-NEXT: ret i8 0
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;
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entry:
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%funcAlloc = alloca %struct.MaskedType, align 4
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%ptrAlloc = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %ptrAlloc) #0
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%addrspaceCast = addrspacecast ptr %ptrAlloc to ptr addrspace(1)
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call void @MaskedFunction1(ptr %in1, ptr addrspace(1) %addrspaceCast)
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%load1 = load i8, ptr %ptrAlloc, align 1
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call void @llvm.lifetime.end.p0(ptr %ptrAlloc) #0
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%getElemPtr1 = getelementptr inbounds %struct.MaskedType, ptr %funcAlloc, i32 0, i32 1
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store i8 %load1, ptr %getElemPtr1, align 1
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ret i8 0
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}
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define i8 @test_gep_modified(ptr %in0, ptr %in1) {
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; CHECK-LABEL: @test_gep_modified(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[FUNCALLOC:%.*]] = alloca [[STRUCT_MASKEDTYPE:%.*]], align 4
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; CHECK-NEXT: [[PTRALLOC:%.*]] = alloca i8, align 1
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; CHECK-NEXT: call void @llvm.lifetime.start.p0(ptr [[PTRALLOC]])
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; CHECK-NEXT: [[GETELEMPTR1:%.*]] = getelementptr inbounds [[STRUCT_MASKEDTYPE]], ptr [[FUNCALLOC]], i32 0, i32 1
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; CHECK-NEXT: call void @MaskedFunction2(ptr [[IN1:%.*]], ptr [[GETELEMPTR1]])
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; CHECK-NEXT: call void @llvm.lifetime.end.p0(ptr [[PTRALLOC]])
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; CHECK-NEXT: ret i8 0
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;
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entry:
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%funcAlloc = alloca %struct.MaskedType, align 4
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%ptrAlloc = alloca i8, align 1
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call void @llvm.lifetime.start.p0(ptr %ptrAlloc) #0
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call void @MaskedFunction2(ptr %in1, ptr %ptrAlloc)
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%load1 = load i8, ptr %ptrAlloc, align 1
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call void @llvm.lifetime.end.p0(ptr %ptrAlloc) #0
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%getElemPtr1 = getelementptr inbounds %struct.MaskedType, ptr %funcAlloc, i32 0, i32 1
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store i8 %load1, ptr %getElemPtr1, align 1
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ret i8 0
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}
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