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This stuff is used on platforms where MSan does not have a proper VarArg implementation (anything other than x86_64 at the moment). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182375 91177308-0d34-0410-b5e6-96231b3b80d8
16 lines
496 B
LLVM
16 lines
496 B
LLVM
; RUN: opt < %s -msan -msan-check-access-address=0 -S
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; Test that code using va_start can be compiled on i386.
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32-n8:16:32-S128"
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target triple = "i386-unknown-linux-gnu"
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define void @VaStart(i8* %s, ...) {
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entry:
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%vl = alloca i8*, align 4
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%vl1 = bitcast i8** %vl to i8*
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call void @llvm.va_start(i8* %vl1)
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ret void
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}
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declare void @llvm.va_start(i8*)
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