22 lines
787 B
LLVM
22 lines
787 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
|
|
; RUN: opt -passes=safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s
|
|
; RUN: opt -passes=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, ptr %{{.*}}, i32 -4
|
|
; CHECK: call void @use(ptr %[[A]])
|
|
call void @use(ptr %x0)
|
|
|
|
; CHECK: %[[B:.*]] = getelementptr i8, ptr %{{.*}}, i32 -8
|
|
; CHECK: call void @use(ptr %[[B]])
|
|
call void @use(ptr %x1)
|
|
ret void
|
|
}
|
|
|
|
declare void @use(ptr)
|