31 lines
1.6 KiB
LLVM
31 lines
1.6 KiB
LLVM
; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -S -passes=msan 2>&1 | FileCheck %s
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; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -msan-track-origins=2 -S -passes=msan 2>&1 | FileCheck %s -check-prefixes=CHECK,CHECK-ORIGIN
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; RUN: opt < %s -msan-eager-checks -msan -msan-check-access-address=0 -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare noundef i8 @__sanitizer_unaligned_load8(i8* noundef)
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declare void @__sanitizer_unaligned_store8(i8* noundef, i8 noundef)
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define noundef i8 @unaligned_load(i8* noundef %ptr) sanitize_memory {
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; CHECK: @unaligned_load(i8* {{.*}}[[PTR:%.+]])
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; CHECK: store i64 0, {{.*}} @__msan_param_tls
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; CHECK: [[VAL:%.*]] = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef [[PTR]])
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%val = call noundef i8 @__sanitizer_unaligned_load8(i8* noundef %ptr)
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; CHECK: load {{.*}} @__msan_retval_tls
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; CHECK-ORIGIN: load {{.*}} @__msan_retval_origin_tls
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; CHECK: call void @__msan_warning_{{.*}}noreturn
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; CHECK: ret i8 [[VAL]]
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ret i8 %val
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}
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define void @unaligned_store(i8* noundef %ptr, i8 noundef %val) sanitize_memory {
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; CHECK: @unaligned_store(i8* {{.*}}[[PTR:%.+]], i8 {{.*}}[[VAL:%.+]])
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; CHECK: store i64 0, {{.*}} @__msan_param_tls
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; CHECK: store i8 0, {{.*}} @__msan_param_tls
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; CHECK: call void @__sanitizer_unaligned_store8(i8* noundef [[PTR]], i8 noundef [[VAL]])
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call void @__sanitizer_unaligned_store8(i8* noundef %ptr, i8 noundef %val)
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; CHECK: ret void
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ret void
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}
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