| ; RUN: opt -correlated-propagation -S %s | FileCheck %s |
| ; CHECK-LABEL: @test-ashr |
| ; CHECK: bb_then |
| ; CHECK: %. = select i1 true, i32 3, i32 2 |
| define i32 @test-ashr(i32 %c) { |
| chk65: |
| %cmp = icmp sgt i32 %c, 65 |
| br i1 %cmp, label %return, label %chk0 |
| |
| chk0: |
| %cmp1 = icmp slt i32 %c, 0 |
| br i1 %cmp, label %return, label %bb_if |
| |
| bb_if: |
| %ashr.val = ashr exact i32 %c, 2 |
| %cmp2 = icmp sgt i32 %ashr.val, 15 |
| br i1 %cmp2, label %bb_then, label %return |
| |
| bb_then: |
| %cmp3 = icmp eq i32 %ashr.val, 16 |
| %. = select i1 %cmp3, i32 3, i32 2 |
| br label %return |
| |
| return: |
| %retval = phi i32 [0, %chk65], [1, %chk0], [%., %bb_then], [4, %bb_if] |
| ret i32 %retval |
| } |