| ; 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} |