Files
clang-p2996/llvm/test/Transforms/SafeStack/X86/pr54784.ll
paperchalice 3bd5172057 Reland "[CodeGen] Port SafeStack to new pass manager (#74027)
Forgot to update related code in `CodeGenPassBuilder.h`, also update it
for `CallBrPreparePass`.
Fix build when `LLVM_ENABLE_MODULES:BOOL=ON`.
2023-12-01 13:55:05 +09:00

26 lines
1.2 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -safe-stack < %s | FileCheck %s
; RUN: opt -S -passes=safe-stack < %s | FileCheck %s
target triple = "x86_64-unknown-unknown"
define void @min_of_pointers(ptr %p) safestack {
; CHECK-LABEL: @min_of_pointers(
; CHECK-NEXT: [[UNSAFE_STACK_PTR:%.*]] = load ptr, ptr @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT: [[UNSAFE_STACK_STATIC_TOP:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -16
; CHECK-NEXT: store ptr [[UNSAFE_STACK_STATIC_TOP]], ptr @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT: [[TMP1:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -4
; CHECK-NEXT: [[CMP:%.*]] = icmp ult ptr [[TMP1]], [[P:%.*]]
; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[UNSAFE_STACK_PTR]], i32 -4
; CHECK-NEXT: [[S:%.*]] = select i1 [[CMP]], ptr [[TMP2]], ptr [[P]]
; CHECK-NEXT: store i32 0, ptr [[S]], align 4
; CHECK-NEXT: store ptr [[UNSAFE_STACK_PTR]], ptr @__safestack_unsafe_stack_ptr, align 8
; CHECK-NEXT: ret void
;
%a = alloca i32
%cmp = icmp ult ptr %a, %p
%s = select i1 %cmp, ptr %a, ptr %p
store i32 0, ptr %s
ret void
}