| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 |
| ; 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() { |
| ; CHECK-LABEL: define void @tinkywinky() { |
| ; CHECK-NEXT: bb: |
| ; CHECK-NEXT: [[TMP:%.*]] = load i32, ptr @a, align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp sge i32 [[TMP]], 0 |
| ; CHECK-NEXT: br i1 [[TMP1]], label [[BB2:%.*]], label [[BB7:%.*]] |
| ; CHECK: bb2: |
| ; CHECK-NEXT: [[TMP4:%.*]] = icmp sgt i32 [[TMP]], 0 |
| ; CHECK-NEXT: br i1 [[TMP4]], label [[BB5:%.*]], label [[BB7]] |
| ; CHECK: bb5: |
| ; CHECK-NEXT: [[TMP6:%.*]] = call i32 (ptr, ...) @printf(ptr @patatino) |
| ; CHECK-NEXT: br label [[BB7]] |
| ; CHECK: bb7: |
| ; CHECK-NEXT: ret void |
| ; |
| 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 |
| 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, ...) |
