| ; Make sure GVN doesn't incorrectly think the branch terminating |
| ; bb2 has a constant condition. |
| ; RUN: opt -S -passes=newgvn %s | FileCheck %s |
| |
| @a = common global i32 0 |
| @patatino = private unnamed_addr constant [3 x i8] c"0\0A\00" |
| |
| define void @tinkywinky() { |
| bb: |
| %tmp = load i32, ptr @a |
| %tmp1 = icmp sge i32 %tmp, 0 |
| br i1 %tmp1, label %bb2, label %bb7 |
| bb2: |
| %tmp4 = icmp sgt i32 %tmp, 0 |
| ; CHECK: br i1 %tmp4, label %bb5, label %bb7 |
| br i1 %tmp4, label %bb5, label %bb7 |
| bb5: |
| %tmp6 = call i32 (ptr, ...) @printf(ptr @patatino) |
| br label %bb7 |
| bb7: |
| ret void |
| } |
| |
| declare i32 @printf(ptr, ...) |
