diff options
Diffstat (limited to 'llvm/test/Transforms/LoopVectorize/outer_loop_test2.ll')
| -rw-r--r-- | llvm/test/Transforms/LoopVectorize/outer_loop_test2.ll | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/llvm/test/Transforms/LoopVectorize/outer_loop_test2.ll b/llvm/test/Transforms/LoopVectorize/outer_loop_test2.ll new file mode 100644 index 00000000000..18eca4c9589 --- /dev/null +++ b/llvm/test/Transforms/LoopVectorize/outer_loop_test2.ll @@ -0,0 +1,112 @@ +; int A[1024], B[1024]; +; +; void foo(int iCount, int c, int jCount) +; { +; +; int i, j; +; +; #pragma clang loop vectorize(enable) vectorize_width(4) +; for (i = 0; i < iCount; i++) { +; A[i] = c; +; for (j = 0; j < jCount; j++) { +; A[i] += B[j] + i; +; } +; } +; } +; RUN: opt -S -loop-vectorize -enable-vplan-native-path < %s | FileCheck %s +; CHECK: %[[ZeroTripChk:.*]] = icmp sgt i32 %jCount, 0 +; CHECK-LABEL: vector.ph: +; CHECK: %[[CVal0:.*]] = insertelement <4 x i32> undef, i32 %c, i32 0 +; CHECK-NEXT: %[[CSplat:.*]] = shufflevector <4 x i32> %[[CVal0]], <4 x i32> undef, <4 x i32> zeroinitializer +; CHECK: %[[ZVal0:.*]] = insertelement <4 x i1> undef, i1 %[[ZeroTripChk]], i32 0 +; CHECK-NEXT: %[[ZSplat:.*]] = shufflevector <4 x i1> %[[ZVal0]], <4 x i1> undef, <4 x i32> zeroinitializer + +; CHECK-LABEL: vector.body: +; CHECK: %[[Ind:.*]] = phi i64 [ 0, %vector.ph ], [ %[[IndNext:.*]], %[[ForInc:.*]] ] +; CHECK: %[[VecInd:.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %vector.ph ], [ %[[VecIndNext:.*]], %[[ForInc]] ] +; CHECK: %[[AAddr:.*]] = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, <4 x i64> %[[VecInd]] +; CHECK: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %[[CSplat]], <4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>) +; CHECK: %[[ZCmpExtr:.*]] = extractelement <4 x i1> %[[ZSplat]], i32 0 +; CHECK: br i1 %[[ZCmpExtr]], label %[[InnerForPh:.*]], label %[[OuterInc:.*]] + +; CHECK: [[InnerForPh]]: +; CHECK: %[[WideAVal:.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef) +; CHECK: %[[VecIndTr:.*]] = trunc <4 x i64> %[[VecInd]] to <4 x i32> +; CHECK: br label %[[InnerForBody:.*]] + +; CHECK: [[InnerForBody]]: +; CHECK: %[[InnerInd:.*]] = phi <4 x i64> [ %[[InnerIndNext:.*]], %[[InnerForBody]] ], [ zeroinitializer, %[[InnerForPh]] ] +; CHECK: %[[AccumPhi:.*]] = phi <4 x i32> [ %[[AccumPhiNext:.*]], %[[InnerForBody]] ], [ %[[WideAVal]], %[[InnerForPh]] ] +; CHECK: %[[BAddr:.*]] = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, <4 x i64> %[[InnerInd]] +; CHECK: %[[WideBVal:.*]] = call <4 x i32> @llvm.masked.gather.v4i32.v4p0i32(<4 x i32*> %[[BAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x i32> undef) +; CHECK: %[[Add1:.*]] = add nsw <4 x i32> %[[WideBVal]], %[[VecIndTr]] +; CHECK: %[[AccumPhiNext]] = add nsw <4 x i32> %[[Add1]], %[[AccumPhi]] +; CHECK: %[[InnerIndNext]] = add nuw nsw <4 x i64> %[[InnerInd]], <i64 1, i64 1, i64 1, i64 1> +; CHECK: %[[InnerVecCond:.*]] = icmp eq <4 x i64> %[[InnerIndNext]], {{.*}} +; CHECK: %[[InnerCond:.+]] = extractelement <4 x i1> %[[InnerVecCond]], i32 0 +; CHECK: br i1 %[[InnerCond]], label %[[InnerCrit:.*]], label %[[InnerForBody]] + +; CHECK: [[InnerCrit]]: +; CHECK: %[[StorePhi:.*]] = phi <4 x i32> [ %[[AccumPhiNext]], %[[InnerForBody]] ] +; CHECK: call void @llvm.masked.scatter.v4i32.v4p0i32(<4 x i32> %[[StorePhi]], <4 x i32*> %[[AAddr]], i32 4, <4 x i1> <i1 true, i1 true, i1 true, i1 true>) +; CHECK: br label %[[ForInc]] + +; CHECK: [[ForInc]]: +; CHECK: %[[IndNext]] = add i64 %[[Ind]], 4 +; CHECK: %[[VecIndNext]] = add <4 x i64> %[[VecInd]], <i64 4, i64 4, i64 4, i64 4> +; CHECK: %[[Cmp:.*]] = icmp eq i64 %[[IndNext]], {{.*}} +; CHECK: br i1 %[[Cmp]], label %middle.block, label %vector.body + +@A = common global [1024 x i32] zeroinitializer, align 16 +@B = common global [1024 x i32] zeroinitializer, align 16 + +; Function Attrs: norecurse nounwind uwtable +define void @foo(i32 %iCount, i32 %c, i32 %jCount) { +entry: + %cmp22 = icmp sgt i32 %iCount, 0 + br i1 %cmp22, label %for.body.lr.ph, label %for.end11 + +for.body.lr.ph: ; preds = %entry + %cmp220 = icmp sgt i32 %jCount, 0 + %wide.trip.count = zext i32 %jCount to i64 + %wide.trip.count27 = zext i32 %iCount to i64 + br label %for.body + +for.body: ; preds = %for.inc9, %for.body.lr.ph + %indvars.iv25 = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next26, %for.inc9 ] + %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv25 + store i32 %c, i32* %arrayidx, align 4 + br i1 %cmp220, label %for.body3.lr.ph, label %for.inc9 + +for.body3.lr.ph: ; preds = %for.body + %arrayidx.promoted = load i32, i32* %arrayidx, align 4 + %0 = trunc i64 %indvars.iv25 to i32 + br label %for.body3 + +for.body3: ; preds = %for.body3, %for.body3.lr.ph + %indvars.iv = phi i64 [ 0, %for.body3.lr.ph ], [ %indvars.iv.next, %for.body3 ] + %1 = phi i32 [ %arrayidx.promoted, %for.body3.lr.ph ], [ %add8, %for.body3 ] + %arrayidx5 = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv + %2 = load i32, i32* %arrayidx5, align 4 + %add = add nsw i32 %2, %0 + %add8 = add nsw i32 %add, %1 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond = icmp eq i64 %indvars.iv.next, %wide.trip.count + br i1 %exitcond, label %for.cond1.for.inc9_crit_edge, label %for.body3 + +for.cond1.for.inc9_crit_edge: ; preds = %for.body3 + store i32 %add8, i32* %arrayidx, align 4 + br label %for.inc9 + +for.inc9: ; preds = %for.cond1.for.inc9_crit_edge, %for.body + %indvars.iv.next26 = add nuw nsw i64 %indvars.iv25, 1 + %exitcond28 = icmp eq i64 %indvars.iv.next26, %wide.trip.count27 + br i1 %exitcond28, label %for.end11, label %for.body, !llvm.loop !1 + +for.end11: ; preds = %for.inc9, %entry + ret void +} + +!1 = distinct !{!1, !2, !3} +!2 = !{!"llvm.loop.vectorize.width", i32 4} +!3 = !{!"llvm.loop.vectorize.enable", i1 true} |
