; RUN: opt < %s -passes=loop-vectorize -force-vector-width=2 -force-vector-interleave=2 -S | FileCheck %s define void @test1(float* noalias nocapture %a, float* noalias nocapture readonly %b) { ; CHECK-LABEL: @test1( ; CHECK: vector.body: ; CHECK: [[WIDE_LOAD:%.*]] = load <2 x float>, <2 x float>* {{.*}}, align 4 ; CHECK: [[WIDE_LOAD1:%.*]] = load <2 x float>, <2 x float>* {{.*}}, align 4 ; CHECK-NEXT: [[TMP1:%.*]] = fcmp ogt <2 x float> [[WIDE_LOAD]], <float 1.000000e+02, float 1.000000e+02> ; CHECK-NEXT: [[TMP2:%.*]] = fcmp ogt <2 x float> [[WIDE_LOAD1]], <float 1.000000e+02, 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]]) 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, float* %b, i64 %indvars.iv %0 = load float, float* %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, float* %a, i64 %indvars.iv store float %add, float* %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 } %struct.data = type { float*, float* } define void @test2(%struct.data* nocapture readonly %d) { ; CHECK-LABEL: @test2( ; CHECK: entry: ; CHECK: [[MASKCOND:%.*]] = icmp eq i64 %maskedptr, 0 ; CHECK: [[MASKCOND4:%.*]] = icmp eq i64 %maskedptr3, 0 ; CHECK: vector.body: ; CHECK: tail call void @llvm.assume(i1 [[MASKCOND]]) ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND]]) ; CHECK: tail call void @llvm.assume(i1 [[MASKCOND4]]) ; CHECK-NEXT: tail call void @llvm.assume(i1 [[MASKCOND4]]) ; CHECK: for.body: entry: %b = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 1 %0 = load float*, float** %b, align 8 %ptrint = ptrtoint float* %0 to i64 %maskedptr = and i64 %ptrint, 31 %maskcond = icmp eq i64 %maskedptr, 0 %a = getelementptr inbounds %struct.data, %struct.data* %d, i64 0, i32 0 %1 = load float*, float** %a, align 8 %ptrint2 = ptrtoint float* %1 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, float* %0, i64 %indvars.iv %2 = load float, float* %arrayidx, align 4 %add = fadd float %2, 1.000000e+00 tail call void @llvm.assume(i1 %maskcond4) %arrayidx5 = getelementptr inbounds float, float* %1, i64 %indvars.iv store float %add, float* %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(float* noalias nocapture readonly %a, float* noalias nocapture %b, i32 %n) { ; Check that the vector.body does not contain any assumes. ; CHECK-LABEL: @predicated_assume( ; CHECK: vector.body: ; CHECK-NOT: llvm.assume ; CHECK: for.body: 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, float* %a, i64 %indvars.iv %1 = load float, float* %arrayidx, align 4 %mul = fmul float %x.0, %1 %arrayidx7 = getelementptr inbounds float, float* %b, i64 %indvars.iv store float %mul, float* %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 }