Files
clang-p2996/llvm/test/Transforms/SafeStack/X86/sink-to-use.ll
David L Kreitzer d9ca3589de [safestack] Move X86-targeted tests into the X86 subdirectory.
Patch by Michael LeMay

Differential revision: http://reviews.llvm.org/D25340

llvm-svn: 284139
2016-10-13 17:51:59 +00:00

23 lines
720 B
LLVM

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