| ; 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 |
| |
| define void @f() safestack { |
| entry: |
| %x0 = alloca i32, align 4 |
| %x1 = alloca i32, align 4 |
| |
| ; CHECK: %[[A:.*]] = getelementptr i8, i8* %{{.*}}, i32 -4 |
| ; CHECK: %[[X0:.*]] = bitcast i8* %[[A]] to i32* |
| ; CHECK: call void @use(i32* %[[X0]]) |
| call void @use(i32* %x0) |
| |
| ; CHECK: %[[B:.*]] = getelementptr i8, i8* %{{.*}}, i32 -8 |
| ; CHECK: %[[X1:.*]] = bitcast i8* %[[B]] to i32* |
| ; CHECK: call void @use(i32* %[[X1]]) |
| call void @use(i32* %x1) |
| ret void |
| } |
| |
| declare void @use(i32*) |
