| ; RUN: llc -mtriple=arm64-apple-darwin -aarch64-enable-atomic-cfg-tidy=0 -verify-machineinstrs < %s | FileCheck %s |
| ; RUN: llc -mtriple=arm64-apple-darwin -aarch64-enable-atomic-cfg-tidy=0 -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s |
| |
| ; Test if the BBs are reordred according to their branch weights. |
| define i64 @branch_weights_test(i64 %a, i64 %b) { |
| ; CHECK-LABEL: branch_weights_test |
| ; CHECK-LABEL: success |
| ; CHECK-LABEL: fail |
| %1 = icmp ult i64 %a, %b |
| br i1 %1, label %fail, label %success, !prof !0 |
| |
| fail: |
| ret i64 -1 |
| |
| success: |
| ret i64 0 |
| } |
| |
| !0 = !{!"branch_weights", i32 0, i32 2147483647} |