| ; RUN: opt -safe-stack -S -mtriple=i386-pc-linux-gnu < %s -o - | FileCheck %s |
| ; RUN: opt -safe-stack -S -mtriple=x86_64-pc-linux-gnu < %s -o - | FileCheck %s |
| |
| define void @f(i1 %d1, i1 %d2) safestack { |
| entry: |
| ; CHECK-LABEL: define void @f( |
| ; CHECK: %[[USP:.*]] = load i8*, i8** @__safestack_unsafe_stack_ptr |
| ; CHECK-NEXT: getelementptr i8, i8* %[[USP]], i32 -16 |
| ; CHECK: br i1 %d1, label %[[BB0:.*]], label %[[BB1:.*]] |
| %a = alloca i32, align 8 |
| %b = alloca i32, align 8 |
| br i1 %d1, label %bb0, label %bb1 |
| |
| bb0: |
| ; CHECK: [[BB0]]: |
| ; CHECK: %[[Ai8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32 |
| ; CHECK: %[[AUNSAFE:.*]] = bitcast i8* %[[Ai8]] to i32* |
| ; CHECK: br i1 |
| br i1 %d2, label %bb2, label %bb2 |
| |
| bb1: |
| ; CHECK: [[BB1]]: |
| ; CHECK: %[[Bi8:.*]] = getelementptr i8, i8* %unsafe_stack_ptr, i32 |
| ; CHECK: %[[BUNSAFE:.*]] = bitcast i8* %[[Bi8]] to i32* |
| ; CHECK: br label |
| br label %bb2 |
| |
| bb2: |
| ; CHECK: phi i32* [ %[[AUNSAFE]], %[[BB0]] ], [ %[[AUNSAFE]], %[[BB0]] ], [ %[[BUNSAFE]], %[[BB1]] ] |
| %c = phi i32* [ %a, %bb0 ], [ %a, %bb0 ], [ %b, %bb1 ] |
| call void @capture(i32* %c) |
| ret void |
| } |
| |
| declare void @capture(i32*) |