mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
349a850e5b
Summary: This patch adds support to preserve make.implicit metadata for unswitched conditions in loop pre-header. Reviewers: sanjoy, weimingz Subscribers: mcrosier, llvm-commits Differential Revision: http://reviews.llvm.org/D11769 llvm-svn: 244132
24 lines
567 B
LLVM
24 lines
567 B
LLVM
; RUN: opt < %s -loop-unswitch -S < %s 2>&1 | FileCheck %s
|
|
|
|
; This test checks if unswitched condition preserve make.implicit metadata.
|
|
|
|
define i32 @test(i1 %cond) {
|
|
; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0
|
|
br label %loop_begin
|
|
|
|
loop_begin:
|
|
; CHECK: br i1 true, label %continue, label %loop_exit, !make.implicit !0
|
|
br i1 %cond, label %continue, label %loop_exit, !make.implicit !0
|
|
|
|
continue:
|
|
call void @some_func()
|
|
br label %loop_begin
|
|
|
|
loop_exit:
|
|
ret i32 0
|
|
}
|
|
|
|
declare void @some_func()
|
|
|
|
!0 = !{}
|