| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals none --filter-out-after "^scalar.ph" --version 5 |
| ; RUN: opt < %s -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=2 -S | FileCheck %s |
| |
| define void @test1(ptr noalias nocapture %a, ptr noalias nocapture readonly %b) { |
| ; CHECK-LABEL: define void @test1( |
| ; CHECK-SAME: ptr noalias captures(none) [[A:%.*]], ptr noalias readonly captures(none) [[B:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: br label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[TMP0:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, ptr [[TMP0]], i32 2 |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, ptr [[TMP0]], align 4 |
| ; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x float>, ptr [[TMP7]], align 4 |
| ; CHECK-NEXT: [[TMP1:%.*]] = fcmp ogt <2 x float> [[WIDE_LOAD]], splat (float 1.000000e+02) |
| ; CHECK-NEXT: [[TMP2:%.*]] = fcmp ogt <2 x float> [[WIDE_LOAD1]], splat (float 1.000000e+02) |
| ; CHECK-NEXT: [[TMP3:%.*]] = extractelement <2 x i1> [[TMP1]], i32 0 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[TMP3]]) |
| ; CHECK-NEXT: [[TMP4:%.*]] = extractelement <2 x i1> [[TMP1]], i32 1 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[TMP4]]) |
| ; CHECK-NEXT: [[TMP5:%.*]] = extractelement <2 x i1> [[TMP2]], i32 0 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[TMP5]]) |
| ; CHECK-NEXT: [[TMP6:%.*]] = extractelement <2 x i1> [[TMP2]], i32 1 |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[TMP6]]) |
| ; CHECK-NEXT: [[TMP8:%.*]] = fadd <2 x float> [[WIDE_LOAD]], splat (float 1.000000e+00) |
| ; CHECK-NEXT: [[TMP9:%.*]] = fadd <2 x float> [[WIDE_LOAD1]], splat (float 1.000000e+00) |
| ; CHECK-NEXT: [[TMP10:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP11:%.*]] = getelementptr inbounds float, ptr [[TMP10]], i32 2 |
| ; CHECK-NEXT: store <2 x float> [[TMP8]], ptr [[TMP10]], align 4 |
| ; CHECK-NEXT: store <2 x float> [[TMP9]], ptr [[TMP11]], align 4 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1600 |
| ; CHECK-NEXT: br i1 [[TMP12]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP0:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: br [[FOR_END:label %.*]] |
| ; CHECK: [[SCALAR_PH:.*:]] |
| ; |
| entry: |
| br label %for.body |
| |
| for.body: ; preds = %for.body, %entry |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds float, ptr %b, i64 %indvars.iv |
| %0 = load float, ptr %arrayidx, align 4 |
| %cmp1 = fcmp ogt float %0, 1.000000e+02 |
| tail call void @llvm.assume(i1 %cmp1) |
| %add = fadd float %0, 1.000000e+00 |
| %arrayidx5 = getelementptr inbounds float, ptr %a, i64 %indvars.iv |
| store float %add, ptr %arrayidx5, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv, 1599 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| declare void @llvm.assume(i1) #0 |
| |
| attributes #0 = { nounwind willreturn } |
| |
| define void @test2(ptr noalias %a, ptr noalias %b) { |
| ; CHECK-LABEL: define void @test2( |
| ; CHECK-SAME: ptr noalias [[A:%.*]], ptr noalias [[B:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: [[PTRINT:%.*]] = ptrtoint ptr [[A]] to i64 |
| ; CHECK-NEXT: [[MASKEDPTR:%.*]] = and i64 [[PTRINT]], 31 |
| ; CHECK-NEXT: [[MASKCOND:%.*]] = icmp eq i64 [[MASKEDPTR]], 0 |
| ; CHECK-NEXT: [[PTRINT2:%.*]] = ptrtoint ptr [[B]] to i64 |
| ; CHECK-NEXT: [[MASKEDPTR3:%.*]] = and i64 [[PTRINT2]], 31 |
| ; CHECK-NEXT: [[MASKCOND4:%.*]] = icmp eq i64 [[MASKEDPTR3]], 0 |
| ; CHECK-NEXT: br label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[TMP3]], i32 2 |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, ptr [[TMP3]], align 4 |
| ; CHECK-NEXT: [[WIDE_LOAD1:%.*]] = load <2 x float>, ptr [[TMP4]], align 4 |
| ; CHECK-NEXT: [[TMP5:%.*]] = fadd <2 x float> [[WIDE_LOAD]], splat (float 1.000000e+00) |
| ; CHECK-NEXT: [[TMP6:%.*]] = fadd <2 x float> [[WIDE_LOAD1]], splat (float 1.000000e+00) |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND4]]) |
| ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND4]]) |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, ptr [[TMP7]], i32 2 |
| ; CHECK-NEXT: store <2 x float> [[TMP5]], ptr [[TMP7]], align 4 |
| ; CHECK-NEXT: store <2 x float> [[TMP6]], ptr [[TMP8]], align 4 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], 1600 |
| ; CHECK-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP4:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: br [[FOR_END:label %.*]] |
| ; CHECK: [[SCALAR_PH:.*:]] |
| ; |
| entry: |
| %ptrint = ptrtoint ptr %a to i64 |
| %maskedptr = and i64 %ptrint, 31 |
| %maskcond = icmp eq i64 %maskedptr, 0 |
| %ptrint2 = ptrtoint ptr %b to i64 |
| %maskedptr3 = and i64 %ptrint2, 31 |
| %maskcond4 = icmp eq i64 %maskedptr3, 0 |
| br label %for.body |
| |
| |
| for.body: ; preds = %for.body, %entry |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| tail call void @llvm.assume(i1 %maskcond) |
| %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv |
| %2 = load float, ptr %arrayidx, align 4 |
| %add = fadd float %2, 1.000000e+00 |
| tail call void @llvm.assume(i1 %maskcond4) |
| %arrayidx5 = getelementptr inbounds float, ptr %b, i64 %indvars.iv |
| store float %add, ptr %arrayidx5, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %exitcond = icmp eq i64 %indvars.iv, 1599 |
| br i1 %exitcond, label %for.end, label %for.body |
| |
| for.end: ; preds = %for.body |
| ret void |
| } |
| |
| ; Test case for PR43620. Make sure we can vectorize with predication in presence |
| ; of assume calls. For now, check that we drop all assumes in predicated blocks |
| ; in the vector body. |
| define void @predicated_assume(ptr noalias nocapture readonly %a, ptr noalias nocapture %b, i32 %n) { |
| ; Check that the vector.body does not contain any assumes. |
| ; CHECK-LABEL: define void @predicated_assume( |
| ; CHECK-SAME: ptr noalias readonly captures(none) [[A:%.*]], ptr noalias captures(none) [[B:%.*]], i32 [[N:%.*]]) { |
| ; CHECK-NEXT: [[ENTRY:.*:]] |
| ; CHECK-NEXT: [[CMP15:%.*]] = icmp eq i32 [[N]], 0 |
| ; CHECK-NEXT: br i1 [[CMP15]], [[FOR_COND_CLEANUP:label %.*]], label %[[FOR_BODY_PREHEADER:.*]] |
| ; CHECK: [[FOR_BODY_PREHEADER]]: |
| ; CHECK-NEXT: [[TMP0:%.*]] = zext i32 [[N]] to i64 |
| ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i64 [[TMP0]], 4 |
| ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label %[[SCALAR_PH:.*]], label %[[VECTOR_PH:.*]] |
| ; CHECK: [[VECTOR_PH]]: |
| ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP0]], 4 |
| ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP0]], [[N_MOD_VF]] |
| ; CHECK-NEXT: br label %[[VECTOR_BODY:.*]] |
| ; CHECK: [[VECTOR_BODY]]: |
| ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, %[[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[VEC_IND:%.*]] = phi <2 x i64> [ <i64 0, i64 1>, %[[VECTOR_PH]] ], [ [[VEC_IND_NEXT:%.*]], %[[VECTOR_BODY]] ] |
| ; CHECK-NEXT: [[STEP_ADD:%.*]] = add <2 x i64> [[VEC_IND]], splat (i64 2) |
| ; CHECK-NEXT: [[TMP1:%.*]] = icmp ult <2 x i64> [[VEC_IND]], splat (i64 495616) |
| ; CHECK-NEXT: [[TMP2:%.*]] = icmp ult <2 x i64> [[STEP_ADD]], splat (i64 495616) |
| ; CHECK-NEXT: [[PREDPHI:%.*]] = select <2 x i1> [[TMP1]], <2 x float> splat (float 2.300000e+01), <2 x float> splat (float 4.200000e+01) |
| ; CHECK-NEXT: [[PREDPHI1:%.*]] = select <2 x i1> [[TMP2]], <2 x float> splat (float 2.300000e+01), <2 x float> splat (float 4.200000e+01) |
| ; CHECK-NEXT: [[TMP3:%.*]] = getelementptr inbounds float, ptr [[A]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP4:%.*]] = getelementptr inbounds float, ptr [[TMP3]], i32 2 |
| ; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <2 x float>, ptr [[TMP3]], align 4 |
| ; CHECK-NEXT: [[WIDE_LOAD2:%.*]] = load <2 x float>, ptr [[TMP4]], align 4 |
| ; CHECK-NEXT: [[TMP5:%.*]] = fmul <2 x float> [[PREDPHI]], [[WIDE_LOAD]] |
| ; CHECK-NEXT: [[TMP6:%.*]] = fmul <2 x float> [[PREDPHI1]], [[WIDE_LOAD2]] |
| ; CHECK-NEXT: [[TMP7:%.*]] = getelementptr inbounds float, ptr [[B]], i64 [[INDEX]] |
| ; CHECK-NEXT: [[TMP8:%.*]] = getelementptr inbounds float, ptr [[TMP7]], i32 2 |
| ; CHECK-NEXT: store <2 x float> [[TMP5]], ptr [[TMP7]], align 4 |
| ; CHECK-NEXT: store <2 x float> [[TMP6]], ptr [[TMP8]], align 4 |
| ; CHECK-NEXT: [[INDEX_NEXT]] = add nuw i64 [[INDEX]], 4 |
| ; CHECK-NEXT: [[VEC_IND_NEXT]] = add <2 x i64> [[STEP_ADD]], splat (i64 2) |
| ; CHECK-NEXT: [[TMP9:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[TMP9]], label %[[MIDDLE_BLOCK:.*]], label %[[VECTOR_BODY]], !llvm.loop [[LOOP6:![0-9]+]] |
| ; CHECK: [[MIDDLE_BLOCK]]: |
| ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP0]], [[N_VEC]] |
| ; CHECK-NEXT: br i1 [[CMP_N]], [[FOR_COND_CLEANUP_LOOPEXIT:label %.*]], label %[[SCALAR_PH]] |
| ; CHECK: [[SCALAR_PH]]: |
| ; |
| entry: |
| %cmp15 = icmp eq i32 %n, 0 |
| br i1 %cmp15, label %for.cond.cleanup, label %for.body.preheader |
| |
| for.body.preheader: ; preds = %entry |
| %0 = zext i32 %n to i64 |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %if.end5 |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| ret void |
| |
| for.body: ; preds = %for.body.preheader, %if.end5 |
| %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %if.end5 ] |
| %cmp1 = icmp ult i64 %indvars.iv, 495616 |
| br i1 %cmp1, label %if.end5, label %if.else |
| |
| if.else: ; preds = %for.body |
| %cmp2 = icmp ult i64 %indvars.iv, 991232 |
| tail call void @llvm.assume(i1 %cmp2) |
| br label %if.end5 |
| |
| if.end5: ; preds = %for.body, %if.else |
| %x.0 = phi float [ 4.200000e+01, %if.else ], [ 2.300000e+01, %for.body ] |
| %arrayidx = getelementptr inbounds float, ptr %a, i64 %indvars.iv |
| %1 = load float, ptr %arrayidx, align 4 |
| %mul = fmul float %x.0, %1 |
| %arrayidx7 = getelementptr inbounds float, ptr %b, i64 %indvars.iv |
| store float %mul, ptr %arrayidx7, align 4 |
| %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 |
| %cmp = icmp eq i64 %indvars.iv.next, %0 |
| br i1 %cmp, label %for.cond.cleanup.loopexit, label %for.body |
| } |
