| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -slp-vectorizer -slp-threshold=-18 -dce -instcombine -pass-remarks-output=%t < %s | FileCheck %s |
| ; RUN: cat %t | FileCheck -check-prefix=YAML %s |
| ; RUN: opt -S -passes='slp-vectorizer,dce,instcombine' -slp-threshold=-18 -pass-remarks-output=%t < %s | FileCheck %s |
| ; RUN: cat %t | FileCheck -check-prefix=YAML %s |
| |
| |
| target datalayout = "e-m:e-i32:64-i128:128-n32:64-S128" |
| target triple = "aarch64--linux-gnu" |
| |
| ; These tests check that we remove from consideration pairs of seed |
| ; getelementptrs when they are known to have a constant difference. Such pairs |
| ; are likely not good candidates for vectorization since one can be computed |
| ; from the other. We use an unprofitable threshold to force vectorization. |
| ; |
| ; int getelementptr(int *g, int n, int w, int x, int y, int z) { |
| ; int sum = 0; |
| ; for (int i = 0; i < n ; ++i) { |
| ; sum += g[2*i + w]; sum += g[2*i + x]; |
| ; sum += g[2*i + y]; sum += g[2*i + z]; |
| ; } |
| ; return sum; |
| ; } |
| ; |
| |
| ; YAML: --- !Passed |
| ; YAML-NEXT: Pass: slp-vectorizer |
| ; YAML-NEXT: Name: VectorizedList |
| ; YAML-NEXT: Function: getelementptr_4x32 |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'SLP vectorized with cost ' |
| ; YAML-NEXT: - Cost: '11' |
| ; YAML-NEXT: - String: ' and with tree size ' |
| ; YAML-NEXT: - TreeSize: '5' |
| |
| ; YAML: --- !Passed |
| ; YAML-NEXT: Pass: slp-vectorizer |
| ; YAML-NEXT: Name: VectorizedList |
| ; YAML-NEXT: Function: getelementptr_4x32 |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'SLP vectorized with cost ' |
| ; YAML-NEXT: - Cost: '16' |
| ; YAML-NEXT: - String: ' and with tree size ' |
| ; YAML-NEXT: - TreeSize: '3' |
| |
| define i32 @getelementptr_4x32(i32* nocapture readonly %g, i32 %n, i32 %x, i32 %y, i32 %z) { |
| ; CHECK-LABEL: @getelementptr_4x32( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP31:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP31]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <4 x i32> <i32 0, i32 undef, i32 undef, i32 undef>, i32 [[X:%.*]], i32 1 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <4 x i32> [[TMP0]], i32 [[Y:%.*]], i32 2 |
| ; CHECK-NEXT: [[TMP2:%.*]] = insertelement <4 x i32> [[TMP1]], i32 [[Z:%.*]], i32 3 |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i32> [[TMP21:%.*]], i32 1 |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP3]], [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] ] |
| ; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[TMP4:%.*]] = phi <2 x i32> [ zeroinitializer, [[FOR_BODY_PREHEADER]] ], [ [[TMP21]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i32> [[TMP4]], i32 0 |
| ; CHECK-NEXT: [[T4:%.*]] = shl nsw i32 [[TMP5]], 1 |
| ; CHECK-NEXT: [[TMP6:%.*]] = insertelement <4 x i32> undef, i32 [[T4]], i32 0 |
| ; CHECK-NEXT: [[TMP7:%.*]] = shufflevector <4 x i32> [[TMP6]], <4 x i32> undef, <4 x i32> zeroinitializer |
| ; CHECK-NEXT: [[TMP8:%.*]] = add nsw <4 x i32> [[TMP2]], [[TMP7]] |
| ; CHECK-NEXT: [[TMP9:%.*]] = extractelement <4 x i32> [[TMP8]], i32 0 |
| ; CHECK-NEXT: [[TMP10:%.*]] = sext i32 [[TMP9]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[G:%.*]], i64 [[TMP10]] |
| ; CHECK-NEXT: [[T6:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i32> [[TMP4]], i32 1 |
| ; CHECK-NEXT: [[ADD1:%.*]] = add nsw i32 [[T6]], [[TMP11]] |
| ; CHECK-NEXT: [[TMP12:%.*]] = extractelement <4 x i32> [[TMP8]], i32 1 |
| ; CHECK-NEXT: [[TMP13:%.*]] = sext i32 [[TMP12]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP13]] |
| ; CHECK-NEXT: [[T8:%.*]] = load i32, i32* [[ARRAYIDX5]], align 4 |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[ADD1]], [[T8]] |
| ; CHECK-NEXT: [[TMP14:%.*]] = extractelement <4 x i32> [[TMP8]], i32 2 |
| ; CHECK-NEXT: [[TMP15:%.*]] = sext i32 [[TMP14]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP15]] |
| ; CHECK-NEXT: [[T10:%.*]] = load i32, i32* [[ARRAYIDX10]], align 4 |
| ; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[ADD6]], [[T10]] |
| ; CHECK-NEXT: [[TMP16:%.*]] = extractelement <4 x i32> [[TMP8]], i32 3 |
| ; CHECK-NEXT: [[TMP17:%.*]] = sext i32 [[TMP16]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP17]] |
| ; CHECK-NEXT: [[T12:%.*]] = load i32, i32* [[ARRAYIDX15]], align 4 |
| ; CHECK-NEXT: [[TMP18:%.*]] = insertelement <2 x i32> <i32 1, i32 undef>, i32 [[ADD11]], i32 1 |
| ; CHECK-NEXT: [[TMP19:%.*]] = insertelement <2 x i32> undef, i32 [[TMP5]], i32 0 |
| ; CHECK-NEXT: [[TMP20:%.*]] = insertelement <2 x i32> [[TMP19]], i32 [[T12]], i32 1 |
| ; CHECK-NEXT: [[TMP21]] = add nsw <2 x i32> [[TMP18]], [[TMP20]] |
| ; CHECK-NEXT: [[TMP22:%.*]] = extractelement <2 x i32> [[TMP21]], i32 0 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TMP22]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]] |
| ; |
| entry: |
| %cmp31 = icmp sgt i32 %n, 0 |
| br i1 %cmp31, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add16, %for.cond.cleanup.loopexit ] |
| ret i32 %sum.0.lcssa |
| |
| for.body: |
| %indvars.iv = phi i32 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ] |
| %sum.032 = phi i32 [ 0, %for.body.preheader ], [ %add16, %for.body ] |
| %t4 = shl nsw i32 %indvars.iv, 1 |
| %t5 = add nsw i32 %t4, 0 |
| %arrayidx = getelementptr inbounds i32, i32* %g, i32 %t5 |
| %t6 = load i32, i32* %arrayidx, align 4 |
| %add1 = add nsw i32 %t6, %sum.032 |
| %t7 = add nsw i32 %t4, %x |
| %arrayidx5 = getelementptr inbounds i32, i32* %g, i32 %t7 |
| %t8 = load i32, i32* %arrayidx5, align 4 |
| %add6 = add nsw i32 %add1, %t8 |
| %t9 = add nsw i32 %t4, %y |
| %arrayidx10 = getelementptr inbounds i32, i32* %g, i32 %t9 |
| %t10 = load i32, i32* %arrayidx10, align 4 |
| %add11 = add nsw i32 %add6, %t10 |
| %t11 = add nsw i32 %t4, %z |
| %arrayidx15 = getelementptr inbounds i32, i32* %g, i32 %t11 |
| %t12 = load i32, i32* %arrayidx15, align 4 |
| %add16 = add nsw i32 %add11, %t12 |
| %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1 |
| %exitcond = icmp eq i32 %indvars.iv.next , %n |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| ; YAML: --- !Passed |
| ; YAML-NEXT: Pass: slp-vectorizer |
| ; YAML-NEXT: Name: VectorizedList |
| ; YAML-NEXT: Function: getelementptr_2x32 |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'SLP vectorized with cost ' |
| ; YAML-NEXT: - Cost: '11' |
| ; YAML-NEXT: - String: ' and with tree size ' |
| ; YAML-NEXT: - TreeSize: '5' |
| |
| ; YAML: --- !Passed |
| ; YAML-NEXT: Pass: slp-vectorizer |
| ; YAML-NEXT: Name: VectorizedList |
| ; YAML-NEXT: Function: getelementptr_2x32 |
| ; YAML-NEXT: Args: |
| ; YAML-NEXT: - String: 'SLP vectorized with cost ' |
| ; YAML-NEXT: - Cost: '6' |
| ; YAML-NEXT: - String: ' and with tree size ' |
| ; YAML-NEXT: - TreeSize: '3' |
| |
| define i32 @getelementptr_2x32(i32* nocapture readonly %g, i32 %n, i32 %x, i32 %y, i32 %z) { |
| ; CHECK-LABEL: @getelementptr_2x32( |
| ; CHECK-NEXT: entry: |
| ; CHECK-NEXT: [[CMP31:%.*]] = icmp sgt i32 [[N:%.*]], 0 |
| ; CHECK-NEXT: br i1 [[CMP31]], label [[FOR_BODY_PREHEADER:%.*]], label [[FOR_COND_CLEANUP:%.*]] |
| ; CHECK: for.body.preheader: |
| ; CHECK-NEXT: [[TMP0:%.*]] = insertelement <2 x i32> undef, i32 [[Y:%.*]], i32 0 |
| ; CHECK-NEXT: [[TMP1:%.*]] = insertelement <2 x i32> [[TMP0]], i32 [[Z:%.*]], i32 1 |
| ; CHECK-NEXT: br label [[FOR_BODY:%.*]] |
| ; CHECK: for.cond.cleanup.loopexit: |
| ; CHECK-NEXT: [[TMP2:%.*]] = extractelement <2 x i32> [[TMP18:%.*]], i32 1 |
| ; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] |
| ; CHECK: for.cond.cleanup: |
| ; CHECK-NEXT: [[SUM_0_LCSSA:%.*]] = phi i32 [ 0, [[ENTRY:%.*]] ], [ [[TMP2]], [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] ] |
| ; CHECK-NEXT: ret i32 [[SUM_0_LCSSA]] |
| ; CHECK: for.body: |
| ; CHECK-NEXT: [[TMP3:%.*]] = phi <2 x i32> [ zeroinitializer, [[FOR_BODY_PREHEADER]] ], [ [[TMP18]], [[FOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i32> [[TMP3]], i32 0 |
| ; CHECK-NEXT: [[T4:%.*]] = shl nsw i32 [[TMP4]], 1 |
| ; CHECK-NEXT: [[TMP5:%.*]] = sext i32 [[T4]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[G:%.*]], i64 [[TMP5]] |
| ; CHECK-NEXT: [[T6:%.*]] = load i32, i32* [[ARRAYIDX]], align 4 |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i32> [[TMP3]], i32 1 |
| ; CHECK-NEXT: [[ADD1:%.*]] = add nsw i32 [[T6]], [[TMP6]] |
| ; CHECK-NEXT: [[T7:%.*]] = or i32 [[T4]], 1 |
| ; CHECK-NEXT: [[TMP7:%.*]] = sext i32 [[T7]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX5:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP7]] |
| ; CHECK-NEXT: [[T8:%.*]] = load i32, i32* [[ARRAYIDX5]], align 4 |
| ; CHECK-NEXT: [[ADD6:%.*]] = add nsw i32 [[ADD1]], [[T8]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = insertelement <2 x i32> undef, i32 [[T4]], i32 0 |
| ; CHECK-NEXT: [[TMP9:%.*]] = shufflevector <2 x i32> [[TMP8]], <2 x i32> undef, <2 x i32> zeroinitializer |
| ; CHECK-NEXT: [[TMP10:%.*]] = add nsw <2 x i32> [[TMP1]], [[TMP9]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = extractelement <2 x i32> [[TMP10]], i32 0 |
| ; CHECK-NEXT: [[TMP12:%.*]] = sext i32 [[TMP11]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX10:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP12]] |
| ; CHECK-NEXT: [[T10:%.*]] = load i32, i32* [[ARRAYIDX10]], align 4 |
| ; CHECK-NEXT: [[ADD11:%.*]] = add nsw i32 [[ADD6]], [[T10]] |
| ; CHECK-NEXT: [[TMP13:%.*]] = extractelement <2 x i32> [[TMP10]], i32 1 |
| ; CHECK-NEXT: [[TMP14:%.*]] = sext i32 [[TMP13]] to i64 |
| ; CHECK-NEXT: [[ARRAYIDX15:%.*]] = getelementptr inbounds i32, i32* [[G]], i64 [[TMP14]] |
| ; CHECK-NEXT: [[T12:%.*]] = load i32, i32* [[ARRAYIDX15]], align 4 |
| ; CHECK-NEXT: [[TMP15:%.*]] = insertelement <2 x i32> <i32 1, i32 undef>, i32 [[ADD11]], i32 1 |
| ; CHECK-NEXT: [[TMP16:%.*]] = insertelement <2 x i32> undef, i32 [[TMP4]], i32 0 |
| ; CHECK-NEXT: [[TMP17:%.*]] = insertelement <2 x i32> [[TMP16]], i32 [[T12]], i32 1 |
| ; CHECK-NEXT: [[TMP18]] = add nsw <2 x i32> [[TMP15]], [[TMP17]] |
| ; CHECK-NEXT: [[TMP19:%.*]] = extractelement <2 x i32> [[TMP18]], i32 0 |
| ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i32 [[TMP19]], [[N]] |
| ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_COND_CLEANUP_LOOPEXIT]], label [[FOR_BODY]] |
| ; |
| entry: |
| %cmp31 = icmp sgt i32 %n, 0 |
| br i1 %cmp31, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: |
| %sum.0.lcssa = phi i32 [ 0, %entry ], [ %add16, %for.cond.cleanup.loopexit ] |
| ret i32 %sum.0.lcssa |
| |
| for.body: |
| %indvars.iv = phi i32 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ] |
| %sum.032 = phi i32 [ 0, %for.body.preheader ], [ %add16, %for.body ] |
| %t4 = shl nsw i32 %indvars.iv, 1 |
| %t5 = add nsw i32 %t4, 0 |
| %arrayidx = getelementptr inbounds i32, i32* %g, i32 %t5 |
| %t6 = load i32, i32* %arrayidx, align 4 |
| %add1 = add nsw i32 %t6, %sum.032 |
| %t7 = add nsw i32 %t4, 1 |
| %arrayidx5 = getelementptr inbounds i32, i32* %g, i32 %t7 |
| %t8 = load i32, i32* %arrayidx5, align 4 |
| %add6 = add nsw i32 %add1, %t8 |
| %t9 = add nsw i32 %t4, %y |
| %arrayidx10 = getelementptr inbounds i32, i32* %g, i32 %t9 |
| %t10 = load i32, i32* %arrayidx10, align 4 |
| %add11 = add nsw i32 %add6, %t10 |
| %t11 = add nsw i32 %t4, %z |
| %arrayidx15 = getelementptr inbounds i32, i32* %g, i32 %t11 |
| %t12 = load i32, i32* %arrayidx15, align 4 |
| %add16 = add nsw i32 %add11, %t12 |
| %indvars.iv.next = add nuw nsw i32 %indvars.iv, 1 |
| %exitcond = icmp eq i32 %indvars.iv.next , %n |
| br i1 %exitcond, label %for.cond.cleanup.loopexit, label %for.body |
| } |