| ; RUN: opt -debug-only=branch-prob -jump-threading -S %s 2>&1 | FileCheck %s |
| ; REQUIRES: asserts |
| |
| ; Make sure that we clear edge probabilities for bb1 as we fold |
| ; the conditional branch in it. |
| |
| ; CHECK: eraseBlock bb1 |
| |
| define i32 @foo(i32 %arg) !prof !0 { |
| ; CHECK-LABEL: @foo |
| %cond1 = icmp eq i32 %arg, 42 |
| br i1 %cond1, label %bb1, label %bb2 |
| |
| bb2: |
| ret i32 2 |
| |
| bb1: |
| %cond2 = icmp eq i32 %arg, 42 |
| br i1 %cond2, label %bb3, label %bb4 |
| |
| bb3: |
| ret i32 3 |
| |
| bb4: |
| ; CHECK-NOT: bb4: |
| ret i32 4 |
| } |
| |
| !0 = !{!"function_entry_count", i64 0} |
