| ; RUN: opt -debug-only=branch-prob -passes="require<branch-prob>,jump-threading" -S %s 2>&1 | FileCheck %s |
| ; RUN: opt -debug-only=branch-prob -passes=jump-threading -S %s 2>&1 | FileCheck %s --check-prefix=CHECK-NOBPI |
| ; REQUIRES: asserts |
| |
| ; Make sure that we clear edge probabilities for bb.cond as we fold |
| ; the conditional branch in it. |
| |
| ; CHECK: eraseBlock bb.cond |
| ; CHECK-NOBPI-NOT: eraseBlock bb.cond |
| |
| define i32 @foo(i1 %cond) !prof !0 { |
| ; CHECK-LABEL: @foo |
| ; CHECK: bb.entry: |
| ; CHECK-NEXT: br i1 %cond, label %bb.31, label %bb.12 |
| ; CHECK-NOT: bb.cond: |
| bb.entry: |
| br i1 %cond, label %bb.31, label %bb.cond |
| |
| bb.cond: |
| br i1 %cond, label %bb.31, label %bb.12 |
| |
| bb.31: |
| ret i32 31 |
| |
| bb.12: |
| ret i32 12 |
| } |
| |
| !0 = !{!"function_entry_count", i64 0} |
