2014-11-24 09:08:18 +00:00
|
|
|
; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s
|
2015-05-27 18:44:32 +00:00
|
|
|
; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | FileCheck %s
|
2014-11-24 09:08:18 +00:00
|
|
|
|
|
|
|
|
; 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
|
|
|
|
|
}
|
|
|
|
|
|
2015-01-18 16:17:27 +00:00
|
|
|
!0 = !{!"branch_weights", i32 0, i32 2147483647}
|
