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llvm-mirror/test/Transforms/LICM/Preserve-LCSSA.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

26 lines
579 B
LLVM

; RUN: opt < %s -loop-rotate -licm -simple-loop-unswitch -disable-output -verify-loop-info -verify-dom-info
define i32 @stringSearch_Clib(i32 %count) {
entry:
br i1 false, label %bb36, label %bb44
bb4: ; preds = %bb36
br i1 false, label %cond_next, label %cond_true
cond_true: ; preds = %bb4
ret i32 0
cond_next: ; preds = %bb4
ret i32 0
bb36: ; preds = %bb41, %entry
br i1 false, label %bb4, label %bb41
bb41: ; preds = %bb36
%ttmp2 = icmp slt i32 0, %count ; <i1> [#uses=1]
br i1 %ttmp2, label %bb36, label %bb44
bb44: ; preds = %bb41, %entry
ret i32 0
}