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22 lines
801 B
LLVM
22 lines
801 B
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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%struct.vec = type { <4 x i32> }
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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 vector nested in a struct
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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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%c = alloca %struct.vec, align 16
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%y = getelementptr inbounds %struct.vec, %struct.vec* %c, i64 0, i32 0
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%add.ptr = getelementptr inbounds <4 x i32>, <4 x i32>* %y, i64 -12
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%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @.str, i64 0, i64 0), <4 x i32>* %add.ptr) nounwind
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ret void
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}
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declare i32 @printf(i8*, ...)
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