23 lines
807 B
LLVM
23 lines
807 B
LLVM
; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
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; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
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; Addr-of in select instruction
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; safestack attribute
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; Requires protector.
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define void @foo() nounwind uwtable safestack {
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entry:
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; CHECK: __safestack_unsafe_stack_ptr
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%x = alloca double, align 8
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%call = call double @testi_aux() nounwind
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store double %call, double* %x, align 8
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%cmp2 = fcmp ogt double %call, 0.000000e+00
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%y.1 = select i1 %cmp2, double* %x, double* null
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%call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), double* %y.1)
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ret void
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}
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declare double @testi_aux()
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declare i32 @printf(i8*, ...)
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