llvm-project/llvm/test/CodeGen/AArch64/GlobalISel/dynamic-alloca-lifetime.ll

48 lines
1.5 KiB
LLVM

; RUN: llc -mtriple aarch64-unknown-unknown -global-isel \
; RUN: -no-stack-coloring=false -pass-remarks-missed=gisel* < %s \
; RUN: 2>&1 | FileCheck %s
; Same as the dynamic-alloca-lifetime.ll X86 test, which was used to fix a bug
; in stack colouring + lifetime markers.
; 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
; CHECK-NOT: remark{{.*}}foo
; Function Attrs: nounwind
declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture) #0
; Function Attrs: nounwind
declare void @llvm.lifetime.end.p0i8(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], [8192 x i8]* %bitmapBuffer, i32 0, i32 0
call void @llvm.lifetime.start.p0i8(i64 8192, i8* %tmp) #0
call void @llvm.lifetime.end.p0i8(i64 8192, i8* %tmp) #0
%tmp25 = getelementptr inbounds [8192 x i8], [8192 x i8]* %bitmapBuffer229, i32 0, i32 0
call void @llvm.lifetime.start.p0i8(i64 8192, i8* %tmp25) #0
call void @llvm.lifetime.end.p0i8(i64 8192, i8* %tmp25) #0
br label %end1
}
declare void @bar()
attributes #0 = { nounwind }
attributes #1 = { ssp }