forked from OSchip/llvm-project
23 lines
720 B
LLVM
23 lines
720 B
LLVM
; Test that unsafe alloca address calculation is done immediately before each use.
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; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
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; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s
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define void @f() safestack {
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entry:
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%x0 = alloca i32, align 4
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%x1 = alloca i32, align 4
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; CHECK: %[[A:.*]] = getelementptr i8, i8* %{{.*}}, i32 -4
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; CHECK: %[[X0:.*]] = bitcast i8* %[[A]] to i32*
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; CHECK: call void @use(i32* %[[X0]])
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call void @use(i32* %x0)
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; CHECK: %[[B:.*]] = getelementptr i8, i8* %{{.*}}, i32 -8
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; CHECK: %[[X1:.*]] = bitcast i8* %[[B]] to i32*
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; CHECK: call void @use(i32* %[[X1]])
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call void @use(i32* %x1)
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ret void
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}
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declare void @use(i32*)
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