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16 lines
528 B
LLVM
16 lines
528 B
LLVM
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; RUN: opt < %s -msan -msan-check-constant-shadow=1 -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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; Test that returning a literal undef from main() triggers an MSan warning.
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define i32 @main() nounwind uwtable sanitize_memory {
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entry:
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ret i32 undef
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}
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; CHECK-LABEL: @main
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; CHECK: call void @__msan_warning_noreturn
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; CHECK: ret i32 undef
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