mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-22 18:54:02 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
51 lines
1.6 KiB
LLVM
51 lines
1.6 KiB
LLVM
; RUN: opt -loop-unroll-and-jam -allow-unroll-and-jam -unroll-and-jam-count=2 -S < %s | FileCheck %s
|
|
;
|
|
; Check that the disable_nonforced loop property is honored by
|
|
; loop unroll-and-jam.
|
|
;
|
|
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
|
|
|
; CHECK-LABEL: disable_nonforced
|
|
; CHECK: load
|
|
; CHECK-NOT: load
|
|
define void @disable_nonforced(i32 %I, i32 %J, i32* noalias nocapture %A, i32* noalias nocapture readonly %B) {
|
|
entry:
|
|
%cmp = icmp ne i32 %J, 0
|
|
%cmp122 = icmp ne i32 %I, 0
|
|
%or.cond = and i1 %cmp, %cmp122
|
|
br i1 %or.cond, label %for.outer.preheader, label %for.end
|
|
|
|
for.outer.preheader:
|
|
br label %for.outer
|
|
|
|
for.outer:
|
|
%i.us = phi i32 [ %add8.us, %for.latch ], [ 0, %for.outer.preheader ]
|
|
br label %for.inner
|
|
|
|
for.inner:
|
|
%j.us = phi i32 [ 0, %for.outer ], [ %inc.us, %for.inner ]
|
|
%sum1.us = phi i32 [ 0, %for.outer ], [ %add.us, %for.inner ]
|
|
%arrayidx.us = getelementptr inbounds i32, i32* %B, i32 %j.us
|
|
%0 = load i32, i32* %arrayidx.us, align 4
|
|
%add.us = add i32 %0, %sum1.us
|
|
%inc.us = add nuw i32 %j.us, 1
|
|
%exitcond = icmp eq i32 %inc.us, %J
|
|
br i1 %exitcond, label %for.latch, label %for.inner
|
|
|
|
for.latch:
|
|
%add.us.lcssa = phi i32 [ %add.us, %for.inner ]
|
|
%arrayidx6.us = getelementptr inbounds i32, i32* %A, i32 %i.us
|
|
store i32 %add.us.lcssa, i32* %arrayidx6.us, align 4
|
|
%add8.us = add nuw i32 %i.us, 1
|
|
%exitcond25 = icmp eq i32 %add8.us, %I
|
|
br i1 %exitcond25, label %for.end.loopexit, label %for.outer, !llvm.loop !0
|
|
|
|
for.end.loopexit:
|
|
br label %for.end
|
|
|
|
for.end:
|
|
ret void
|
|
}
|
|
|
|
!0 = distinct !{!0, !{!"llvm.loop.disable_nonforced"}}
|