forked from rust-lang/llvm-project
-
Notifications
You must be signed in to change notification settings - Fork 3
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
[PhaseOrdering] Add additional test for llvm#79161 (NFC)
- Loading branch information
Showing
1 changed file
with
147 additions
and
0 deletions.
There are no files selected for viewing
147 changes: 147 additions & 0 deletions
147
llvm/test/Transforms/PhaseOrdering/X86/loop-vectorizer-noalias.ll
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 4 | ||
| ; RUN: opt -S -O3 -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s | ||
|
|
||
| define internal void @acc(ptr noalias noundef %val, ptr noalias noundef %prev) { | ||
| entry: | ||
| %0 = load i8, ptr %prev, align 1 | ||
| %conv = zext i8 %0 to i32 | ||
| %1 = load i8, ptr %val, align 1 | ||
| %conv1 = zext i8 %1 to i32 | ||
| %add = add nsw i32 %conv1, %conv | ||
| %conv2 = trunc i32 %add to i8 | ||
| store i8 %conv2, ptr %val, align 1 | ||
| ret void | ||
| } | ||
|
|
||
| ; This loop should not get vectorized. | ||
| ; FIXME: This is a miscompile. | ||
| define void @accsum(ptr noundef %vals, i64 noundef %num) #0 { | ||
| ; CHECK-LABEL: define void @accsum( | ||
| ; CHECK-SAME: ptr nocapture noundef [[VALS:%.*]], i64 noundef [[NUM:%.*]]) local_unnamed_addr #[[ATTR0:[0-9]+]] { | ||
| ; CHECK-NEXT: entry: | ||
| ; CHECK-NEXT: [[CMP1:%.*]] = icmp ugt i64 [[NUM]], 1 | ||
| ; CHECK-NEXT: br i1 [[CMP1]], label [[ITER_CHECK:%.*]], label [[FOR_END:%.*]] | ||
| ; CHECK: iter.check: | ||
| ; CHECK-NEXT: [[TMP0:%.*]] = add i64 [[NUM]], -1 | ||
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[NUM]], 9 | ||
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[FOR_BODY_PREHEADER:%.*]], label [[VECTOR_MAIN_LOOP_ITER_CHECK:%.*]] | ||
| ; CHECK: vector.main.loop.iter.check: | ||
| ; CHECK-NEXT: [[MIN_ITERS_CHECK3:%.*]] = icmp ult i64 [[NUM]], 33 | ||
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK3]], label [[VEC_EPILOG_PH:%.*]], label [[VECTOR_PH:%.*]] | ||
| ; CHECK: vector.ph: | ||
| ; CHECK-NEXT: [[N_VEC:%.*]] = and i64 [[TMP0]], -32 | ||
| ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]] | ||
| ; CHECK: vector.body: | ||
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] | ||
| ; CHECK-NEXT: [[OFFSET_IDX:%.*]] = or disjoint i64 [[INDEX]], 1 | ||
| ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, ptr [[VALS]], i64 [[OFFSET_IDX]] | ||
| ; CHECK-NEXT: [[TMP2:%.*]] = getelementptr i8, ptr [[TMP1]], i64 -1 | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META0:![0-9]+]]) | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META3:![0-9]+]]) | ||
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr i8, ptr [[TMP1]], i64 15 | ||
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <16 x i8>, ptr [[TMP2]], align 1, !alias.scope [[META3]], !noalias [[META0]] | ||
| ; CHECK-NEXT: [[WIDE_LOAD4:%.*]] = load <16 x i8>, ptr [[TMP3]], align 1, !alias.scope [[META3]], !noalias [[META0]] | ||
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds i8, ptr [[TMP1]], i64 16 | ||
| ; CHECK-NEXT: [[WIDE_LOAD5:%.*]] = load <16 x i8>, ptr [[TMP1]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[WIDE_LOAD6:%.*]] = load <16 x i8>, ptr [[TMP4]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[TMP5:%.*]] = add <16 x i8> [[WIDE_LOAD5]], [[WIDE_LOAD]] | ||
| ; CHECK-NEXT: [[TMP6:%.*]] = add <16 x i8> [[WIDE_LOAD6]], [[WIDE_LOAD4]] | ||
| ; CHECK-NEXT: store <16 x i8> [[TMP5]], ptr [[TMP1]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: store <16 x i8> [[TMP6]], ptr [[TMP4]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 32 | ||
| ; CHECK-NEXT: [[TMP7:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] | ||
| ; CHECK-NEXT: br i1 [[TMP7]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop [[LOOP5:![0-9]+]] | ||
| ; CHECK: middle.block: | ||
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] | ||
| ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END]], label [[VEC_EPILOG_ITER_CHECK:%.*]] | ||
| ; CHECK: vec.epilog.iter.check: | ||
| ; CHECK-NEXT: [[IND_END9:%.*]] = or disjoint i64 [[N_VEC]], 1 | ||
| ; CHECK-NEXT: [[N_VEC_REMAINING:%.*]] = and i64 [[TMP0]], 24 | ||
| ; CHECK-NEXT: [[MIN_EPILOG_ITERS_CHECK:%.*]] = icmp eq i64 [[N_VEC_REMAINING]], 0 | ||
| ; CHECK-NEXT: br i1 [[MIN_EPILOG_ITERS_CHECK]], label [[FOR_BODY_PREHEADER]], label [[VEC_EPILOG_PH]] | ||
| ; CHECK: vec.epilog.ph: | ||
| ; CHECK-NEXT: [[VEC_EPILOG_RESUME_VAL:%.*]] = phi i64 [ [[N_VEC]], [[VEC_EPILOG_ITER_CHECK]] ], [ 0, [[VECTOR_MAIN_LOOP_ITER_CHECK]] ] | ||
| ; CHECK-NEXT: [[N_VEC8:%.*]] = and i64 [[TMP0]], -8 | ||
| ; CHECK-NEXT: [[IND_END:%.*]] = or disjoint i64 [[N_VEC8]], 1 | ||
| ; CHECK-NEXT: br label [[VEC_EPILOG_VECTOR_BODY:%.*]] | ||
| ; CHECK: vec.epilog.vector.body: | ||
| ; CHECK-NEXT: [[INDEX11:%.*]] = phi i64 [ [[VEC_EPILOG_RESUME_VAL]], [[VEC_EPILOG_PH]] ], [ [[INDEX_NEXT15:%.*]], [[VEC_EPILOG_VECTOR_BODY]] ] | ||
| ; CHECK-NEXT: [[OFFSET_IDX12:%.*]] = or disjoint i64 [[INDEX11]], 1 | ||
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds i8, ptr [[VALS]], i64 [[OFFSET_IDX12]] | ||
| ; CHECK-NEXT: [[TMP9:%.*]] = getelementptr i8, ptr [[TMP8]], i64 -1 | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META0]]) | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META3]]) | ||
| ; CHECK-NEXT: [[WIDE_LOAD13:%.*]] = load <8 x i8>, ptr [[TMP9]], align 1, !alias.scope [[META3]], !noalias [[META0]] | ||
| ; CHECK-NEXT: [[WIDE_LOAD14:%.*]] = load <8 x i8>, ptr [[TMP8]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[TMP10:%.*]] = add <8 x i8> [[WIDE_LOAD14]], [[WIDE_LOAD13]] | ||
| ; CHECK-NEXT: store <8 x i8> [[TMP10]], ptr [[TMP8]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[INDEX_NEXT15]] = add nuw i64 [[INDEX11]], 8 | ||
| ; CHECK-NEXT: [[TMP11:%.*]] = icmp eq i64 [[INDEX_NEXT15]], [[N_VEC8]] | ||
| ; CHECK-NEXT: br i1 [[TMP11]], label [[VEC_EPILOG_MIDDLE_BLOCK:%.*]], label [[VEC_EPILOG_VECTOR_BODY]], !llvm.loop [[LOOP8:![0-9]+]] | ||
| ; CHECK: vec.epilog.middle.block: | ||
| ; CHECK-NEXT: [[CMP_N10:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC8]] | ||
| ; CHECK-NEXT: br i1 [[CMP_N10]], label [[FOR_END]], label [[FOR_BODY_PREHEADER]] | ||
| ; CHECK: for.body.preheader: | ||
| ; CHECK-NEXT: [[I_02_PH:%.*]] = phi i64 [ 1, [[ITER_CHECK]] ], [ [[IND_END9]], [[VEC_EPILOG_ITER_CHECK]] ], [ [[IND_END]], [[VEC_EPILOG_MIDDLE_BLOCK]] ] | ||
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] | ||
| ; CHECK: for.body: | ||
| ; CHECK-NEXT: [[I_02:%.*]] = phi i64 [ [[INC:%.*]], [[FOR_BODY]] ], [ [[I_02_PH]], [[FOR_BODY_PREHEADER]] ] | ||
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i8, ptr [[VALS]], i64 [[I_02]] | ||
| ; CHECK-NEXT: [[ARRAYIDX1:%.*]] = getelementptr i8, ptr [[ARRAYIDX]], i64 -1 | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META0]]) | ||
| ; CHECK-NEXT: tail call void @llvm.experimental.noalias.scope.decl(metadata [[META3]]) | ||
| ; CHECK-NEXT: [[TMP12:%.*]] = load i8, ptr [[ARRAYIDX1]], align 1, !alias.scope [[META3]], !noalias [[META0]] | ||
| ; CHECK-NEXT: [[TMP13:%.*]] = load i8, ptr [[ARRAYIDX]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[ADD_I:%.*]] = add i8 [[TMP13]], [[TMP12]] | ||
| ; CHECK-NEXT: store i8 [[ADD_I]], ptr [[ARRAYIDX]], align 1, !alias.scope [[META0]], !noalias [[META3]] | ||
| ; CHECK-NEXT: [[INC]] = add nuw i64 [[I_02]], 1 | ||
| ; CHECK-NEXT: [[EXITCOND_NOT:%.*]] = icmp eq i64 [[INC]], [[NUM]] | ||
| ; CHECK-NEXT: br i1 [[EXITCOND_NOT]], label [[FOR_END]], label [[FOR_BODY]], !llvm.loop [[LOOP9:![0-9]+]] | ||
| ; CHECK: for.end: | ||
| ; CHECK-NEXT: ret void | ||
| ; | ||
| entry: | ||
| br label %for.cond | ||
|
|
||
| for.cond: ; preds = %for.inc, %entry | ||
| %i.0 = phi i64 [ 1, %entry ], [ %inc, %for.inc ] | ||
| %cmp = icmp ult i64 %i.0, %num | ||
| br i1 %cmp, label %for.body, label %for.cond.cleanup | ||
|
|
||
| for.cond.cleanup: ; preds = %for.cond | ||
| br label %for.end | ||
|
|
||
| for.body: ; preds = %for.cond | ||
| %arrayidx = getelementptr inbounds i8, ptr %vals, i64 %i.0 | ||
| %sub = sub i64 %i.0, 1 | ||
| %arrayidx1 = getelementptr inbounds i8, ptr %vals, i64 %sub | ||
| call void @acc(ptr noundef %arrayidx, ptr noundef %arrayidx1) | ||
| br label %for.inc | ||
|
|
||
| for.inc: ; preds = %for.body | ||
| %inc = add i64 %i.0, 1 | ||
| br label %for.cond | ||
|
|
||
| for.end: ; preds = %for.cond.cleanup | ||
| ret void | ||
| } | ||
|
|
||
| ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) | ||
| declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1 | ||
|
|
||
| ; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) | ||
| declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1 | ||
|
|
||
| attributes #0 = { "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87"} | ||
| ;. | ||
| ; CHECK: [[META0]] = !{[[META1:![0-9]+]]} | ||
| ; CHECK: [[META1]] = distinct !{[[META1]], [[META2:![0-9]+]], !"acc: %val"} | ||
| ; CHECK: [[META2]] = distinct !{[[META2]], !"acc"} | ||
| ; CHECK: [[META3]] = !{[[META4:![0-9]+]]} | ||
| ; CHECK: [[META4]] = distinct !{[[META4]], [[META2]], !"acc: %prev"} | ||
| ; CHECK: [[LOOP5]] = distinct !{[[LOOP5]], [[META6:![0-9]+]], [[META7:![0-9]+]]} | ||
| ; CHECK: [[META6]] = !{!"llvm.loop.isvectorized", i32 1} | ||
| ; CHECK: [[META7]] = !{!"llvm.loop.unroll.runtime.disable"} | ||
| ; CHECK: [[LOOP8]] = distinct !{[[LOOP8]], [[META6]], [[META7]]} | ||
| ; CHECK: [[LOOP9]] = distinct !{[[LOOP9]], [[META7]], [[META6]]} | ||
| ;. |