derek.holloway
7502bf64a4
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36 lines
1.6 KiB
LLVM
36 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=msan < %s | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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define void @test_memcpy(ptr %p, ptr byval(i32) %p2) sanitize_memory {
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; CHECK-LABEL: @test_memcpy(
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; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P2:%.*]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080
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; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 [[TMP3]], ptr align 4 getelementptr (i8, ptr @__msan_param_tls, i64 8), i64 4, i1 false)
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[TMP4:%.*]] = call ptr @__msan_memcpy(ptr [[P:%.*]], ptr [[P2]], i64 4)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memcpy.p0.p0.i64(ptr %p, ptr %p2, i64 4, i1 false)
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ret void
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}
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define void @test_memmove(ptr %p, ptr byval(i32) %p2) sanitize_memory {
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; CHECK-LABEL: @test_memmove(
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; CHECK-NEXT: [[TMP1:%.*]] = ptrtoint ptr [[P2:%.*]] to i64
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; CHECK-NEXT: [[TMP2:%.*]] = xor i64 [[TMP1]], 87960930222080
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; CHECK-NEXT: [[TMP3:%.*]] = inttoptr i64 [[TMP2]] to ptr
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; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i64(ptr align 4 [[TMP3]], ptr align 4 getelementptr (i8, ptr @__msan_param_tls, i64 8), i64 4, i1 false)
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; CHECK-NEXT: call void @llvm.donothing()
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; CHECK-NEXT: [[TMP4:%.*]] = call ptr @__msan_memmove(ptr [[P:%.*]], ptr [[P2]], i64 4)
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; CHECK-NEXT: ret void
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;
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call void @llvm.memmove.p0.p0.i64(ptr %p, ptr %p2, i64 4, i1 false)
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ret void
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}
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declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
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declare void @llvm.memmove.p0.p0.i64(ptr, ptr, i64, i1)
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