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eaea365433
Patch by Michael LeMay Differential revision: http://reviews.llvm.org/D25340 llvm-svn: 284139
24 lines
683 B
LLVM
24 lines
683 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 a pointer
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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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%a = alloca i32*, align 8
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%b = alloca i32**, align 8
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%call = call i32* @getp()
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store i32* %call, i32** %a, align 8
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store i32** %a, i32*** %b, align 8
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%0 = load i32**, i32*** %b, align 8
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call void @funcall2(i32** %0)
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ret void
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}
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declare void @funcall2(i32**)
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declare i32* @getp()
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