llvm-mirror/test/Transforms/LoopVectorize/pr36983.ll
Eric Christopher a62270de2c Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00

25 lines
908 B
LLVM

; RUN: opt < %s -loop-vectorize -S | FileCheck %s
; There could be more than one LCSSA PHIs in loop exit block.
; CHECK-LABEL: bb1.bb3_crit_edge:
; CHECK: %_tmp133.lcssa1 = phi i16 [ %scalar.recur, %bb2 ], [ %vector.recur.extract.for.phi, %middle.block ]
; CHECK: %_tmp133.lcssa = phi i16 [ %scalar.recur, %bb2 ], [ %vector.recur.extract.for.phi, %middle.block ]
define void @f1() {
bb2.lr.ph:
br label %bb2
bb2: ; preds = %bb2, %bb2.lr.ph
%_tmp132 = phi i16 [ 0, %bb2.lr.ph ], [ %_tmp10, %bb2 ]
%_tmp133 = phi i16 [ undef, %bb2.lr.ph ], [ %_tmp10, %bb2 ]
%_tmp10 = sub nsw i16 %_tmp132, 1
%_tmp15 = icmp ne i16 %_tmp10, 0
br i1 %_tmp15, label %bb2, label %bb1.bb3_crit_edge
bb1.bb3_crit_edge: ; preds = %bb2
%_tmp133.lcssa1 = phi i16 [ %_tmp133, %bb2 ]
%_tmp133.lcssa = phi i16 [ %_tmp133, %bb2 ]
ret void
}