llvm-project/llvm/test/CodeGen/X86/fast-isel-branch_weights.ll

20 lines
548 B
LLVM

; RUN: llc < %s -mtriple=x86_64-apple-darwin10 | FileCheck %s
; RUN: llc < %s -fast-isel -fast-isel-abort=1 -mtriple=x86_64-apple-darwin10 | 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}