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bd0552209e
This avoids creating an unnecessary undefined reference on targets such as NVPTX that require such references to be declared in asm output. llvm-svn: 240321
28 lines
990 B
LLVM
28 lines
990 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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; no safestack attribute
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; Requires no protector.
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; CHECK-NOT: __safestack_unsafe_stack_ptr
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; CHECK: @foo
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define void @foo(i8* %a) nounwind uwtable {
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entry:
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; CHECK-NOT: __safestack_unsafe_stack_ptr
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%a.addr = alloca i8*, align 8
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%buf = alloca [16 x i8], align 16
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store i8* %a, i8** %a.addr, align 8
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%arraydecay = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
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%0 = load i8*, i8** %a.addr, align 8
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%call = call i8* @strcpy(i8* %arraydecay, i8* %0)
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%arraydecay1 = getelementptr inbounds [16 x i8], [16 x i8]* %buf, i32 0, i32 0
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%call2 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i32 0, i32 0), i8* %arraydecay1)
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ret void
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}
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declare i8* @strcpy(i8*, i8*)
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declare i32 @printf(i8*, ...)
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