forked from OSchip/llvm-project
37 lines
1.3 KiB
LLVM
37 lines
1.3 KiB
LLVM
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; 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 phi instruction
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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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%cmp = fcmp ogt double %call, 3.140000e+00
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br i1 %cmp, label %if.then, label %if.else
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if.then: ; preds = %entry
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%call1 = call double @testi_aux() nounwind
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store double %call1, double* %x, align 8
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br label %if.end4
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if.else: ; preds = %entry
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%cmp2 = fcmp ogt double %call, 1.000000e+00
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br i1 %cmp2, label %if.then3, label %if.end4
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if.then3: ; preds = %if.else
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br label %if.end4
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if.end4: ; preds = %if.else, %if.then3, %if.then
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%y.0 = phi double* [ null, %if.then ], [ %x, %if.then3 ], [ null, %if.else ]
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%call5 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), double* %y.0) nounwind
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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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