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llvm-mirror/test/Transforms/LoopUnswitch/copy-metadata.ll
Arthur Eubanks 54c69d097e [NewPM][LoopUnswitch] Pin loop-unswitch to legacy PM or use simple-loop-unswitch
As mentioned in
http://lists.llvm.org/pipermail/llvm-dev/2020-July/143395.html,
loop-unswitch has not been ported to the NPM. Instead people are using
simple-loop-unswitch.

Pin all tests in Transforms/LoopUnswitch to legacy PM and replace all
other uses of loop-unswitch with simple-loop-unswitch.

One test that didn't fit into the above was
2014-06-21-congruent-constant.ll which seems to only pass with
loop-unswitch. That is also pinned to legacy PM.

Now all tests containing "-loop-unswitch" anywhere in the test succeed with
NPM turned on by default.

Reviewed By: ychen

Differential Revision: https://reviews.llvm.org/D85360
2020-08-06 10:56:00 -07:00

25 lines
661 B
LLVM

; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -S < %s 2>&1 | FileCheck %s
; RUN: opt < %s -loop-unswitch -enable-new-pm=0 -enable-mssa-loop-dependency=true -verify-memoryssa -S < %s 2>&1 | FileCheck %s
; This test checks if unswitched condition preserve make.implicit metadata.
define i32 @test(i1 %cond) {
; CHECK-LABEL: @test(
; CHECK: br i1 %cond, label %..split_crit_edge, label %.loop_exit.split_crit_edge, !make.implicit !0
br label %loop_begin
loop_begin:
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 = !{}