1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
; RUN: llc -no-stack-coloring=false < %s | FileCheck %s
; This test crashed in PEI because the stack protector was dead.
; This was due to it being colored, which was in turn due to incorrect
; lifetimes being applied to the stack protector frame index.
; CHECK: stack_chk_guard
target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
target triple = "i386-apple-macosx10.10.0"
; Function Attrs: nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture) #0
; Function Attrs: nounwind
declare void @llvm.lifetime.end(i64, i8* nocapture) #0
; Function Attrs: ssp
define void @foo(i1 %cond1, i1 %cond2) #1 {
entry:
%bitmapBuffer = alloca [8192 x i8], align 1
br i1 %cond1, label %end1, label %bb1
bb1:
%bitmapBuffer229 = alloca [8192 x i8], align 1
br i1 %cond2, label %end1, label %if.else130
end1:
ret void
if.else130: ; preds = %bb1
%tmp = getelementptr inbounds [8192 x i8]* %bitmapBuffer, i32 0, i32 0
call void @llvm.lifetime.start(i64 8192, i8* %tmp) #0
call void @llvm.lifetime.end(i64 8192, i8* %tmp) #0
%tmp25 = getelementptr inbounds [8192 x i8]* %bitmapBuffer229, i32 0, i32 0
call void @llvm.lifetime.start(i64 8192, i8* %tmp25) #0
call void @llvm.lifetime.end(i64 8192, i8* %tmp25) #0
br label %end1
}
declare void @bar()
attributes #0 = { nounwind }
attributes #1 = { ssp }
|
