| ; RUN: opt -loop-vectorize -force-vector-width=4 -enable-vplan-native-path -S %s | FileCheck %s |
| |
| ; Test that VPlan native path is able to widen call intructions like |
| ; llvm.sqrt.* intrincis calls. |
| |
| declare double @llvm.sqrt.f64(double %0) |
| define void @widen_call_instruction(double* noalias nocapture readonly %a.in, double* noalias nocapture readonly %b.in, double* noalias nocapture %c.out) { |
| ; CHECK-LABEL: @widen_call_instruction( |
| |
| ; CHECK: vector.body: |
| ; CHECK-NEXT: %[[FOR1_INDEX:.*]] = phi i64 [ 0, %[[LABEL_PR:.*]] ], [ %{{.*}}, %[[LABEL_FOR1_LATCH:.*]] ] |
| ; CHECK: %[[VEC_INDEX:.*]] = phi <4 x i64> [ <i64 0, i64 1, i64 2, i64 3>, %[[LABEL_PR]] ], [ %{{.*}}, %[[LABEL_FOR1_LATCH]] ] |
| ; CHECK-NEXT: %[[A_PTR:.*]] = getelementptr inbounds double, double* %a.in, <4 x i64> %[[VEC_INDEX]] |
| ; CHECK-NEXT: %[[MASKED_GATHER1:.*]] = call <4 x double> @llvm.masked.gather.v4f64.v4p0f64(<4 x double*> %[[A_PTR]], i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x double> undef) |
| ; CHECK-NEXT: %[[B_PTR:.*]] = getelementptr inbounds double, double* %b.in, <4 x i64> %[[VEC_INDEX]] |
| ; CHECK-NEXT: %[[MASKED_GATHER2:.*]] = call <4 x double> @llvm.masked.gather.v4f64.v4p0f64(<4 x double*> %[[B_PTR]], i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x double> undef) |
| ; CHECK-NEXT: %[[B_SQRT:.*]] = call <4 x double> @llvm.sqrt.v4f64(<4 x double> %[[MASKED_GATHER2]]) |
| ; CHECK-NEXT: br label %[[FOR2_HEADER:.*]] |
| |
| ; CHECK: [[FOR2_HEADER]]: |
| ; CHECK-NEXT: %[[FOR2_INDEX:.*]] = phi <4 x i32> [ zeroinitializer, %vector.body ], [ %[[FOR2_INDEX_NEXT:.*]], %[[FOR2_HEADER]] ] |
| ; CHECK-NEXT: %[[REDUCTION:.*]] = phi <4 x double> [ %[[MASKED_GATHER1]], %vector.body ], [ %[[REDUCTION_NEXT:.*]], %[[FOR2_HEADER]] ] |
| ; CHECK-NEXT: %[[REDUCTION_NEXT]] = fadd <4 x double> %[[B_SQRT]], %[[REDUCTION]] |
| ; CHECK-NEXT: %[[FOR2_INDEX_NEXT]] = add nuw nsw <4 x i32> %[[FOR2_INDEX]], <i32 1, i32 1, i32 1, i32 1> |
| ; CHECK-NEXT: %[[VEC_PTR:.*]] = icmp eq <4 x i32> %[[FOR2_INDEX_NEXT]], <i32 10000, i32 10000, i32 10000, i32 10000> |
| ; CHECK-NEXT: %[[EXIT_COND:.*]] = extractelement <4 x i1> %[[VEC_PTR]], i32 0 |
| ; CHECK-NEXT: br i1 %[[EXIT_COND]], label %[[FOR1_LATCH:.*]], label %{{.*}} |
| |
| ; CHECK: [[FOR1_LATCH]]: |
| ; CHECK-NEXT: %[[REDUCTION:.*]] = phi <4 x double> [ %[[REDUCTION_NEXT]], %[[FOR2_HEADER]] ] |
| ; CHECK-NEXT: %[[C_PTR:.*]] = getelementptr inbounds double, double* %c.out, <4 x i64> %[[VEC_INDEX]] |
| ; CHECK-NEXT: call void @llvm.masked.scatter.v4f64.v4p0f64(<4 x double> %[[REDUCTION]], <4 x double*> %[[C_PTR]], i32 8, <4 x i1> <i1 true, i1 true, i1 true, i1 true>) |
| ; CHECK-NEXT: %[[VEC_INDEX_NEXT:.*]] = add nuw nsw <4 x i64> %[[VEC_INDEX]], <i64 1, i64 1, i64 1, i64 1> |
| ; CHECK-NEXT: %[[VEC_PTR:.*]] = icmp eq <4 x i64> %[[VEC_INDEX_NEXT]], <i64 1000, i64 1000, i64 1000, i64 1000> |
| ; CHECK-NEXT: %{{.*}} = extractelement <4 x i1> %[[VEC_PTR]], i32 0 |
| ; CHECK-NEXT: %[[FOR1_INDEX_NEXT:.*]] = add nuw i64 %[[FOR1_INDEX]], 4 |
| ; CHECK-NEXT: %{{.*}} = add <4 x i64> %[[VEC_INDEX]], <i64 4, i64 4, i64 4, i64 4> |
| ; CHECK-NEXT: %[[EXIT_COND:.*]] = icmp eq i64 %[[FOR1_INDEX_NEXT]], 1000 |
| ; CHECK-NEXT: br i1 %[[EXIT_COND]], label %{{.*}}, label %vector.body |
| |
| entry: |
| br label %for1.header |
| |
| for1.header: |
| %indvar1 = phi i64 [ 0, %entry ], [ %indvar11, %for1.latch ] |
| %a.ptr = getelementptr inbounds double, double* %a.in, i64 %indvar1 |
| %a = load double, double* %a.ptr, align 8 |
| %b.ptr = getelementptr inbounds double, double* %b.in, i64 %indvar1 |
| %b = load double, double* %b.ptr, align 8 |
| %b.sqrt = call double @llvm.sqrt.f64(double %b) |
| br label %for2.header |
| |
| for2.header: |
| %indvar2 = phi i32 [ 0, %for1.header ], [ %indvar21, %for2.header ] |
| %a.reduction = phi double [ %a, %for1.header ], [ %a.reduction1, %for2.header ] |
| %a.reduction1 = fadd double %b.sqrt, %a.reduction |
| %indvar21 = add nuw nsw i32 %indvar2, 1 |
| %for2.cond = icmp eq i32 %indvar21, 10000 |
| br i1 %for2.cond, label %for1.latch, label %for2.header |
| |
| for1.latch: |
| %c.ptr = getelementptr inbounds double, double* %c.out, i64 %indvar1 |
| store double %a.reduction1, double* %c.ptr, align 8 |
| %indvar11 = add nuw nsw i64 %indvar1, 1 |
| %for1.cond = icmp eq i64 %indvar11, 1000 |
| br i1 %for1.cond, label %exit, label %for1.header, !llvm.loop !0 |
| |
| exit: |
| ret void |
| } |
| |
| !0 = distinct !{!0, !1} |
| !1 = !{!"llvm.loop.vectorize.enable", i1 true} |