| ; 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 bb1 as we fold | |
| ; the conditional branch in it. | |
| ; CHECK: eraseBlock bb1 | |
| ; CHECK-NOBPI-NOT: 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} |