Index: llvm/lib/Transforms/Vectorize/LoopVectorize.cpp =================================================================== --- llvm/lib/Transforms/Vectorize/LoopVectorize.cpp +++ llvm/lib/Transforms/Vectorize/LoopVectorize.cpp @@ -7379,7 +7379,6 @@ Op2VK, TargetTransformInfo::OP_None, Op2VP, Operands, I); } case Instruction::FNeg: { - assert(!VF.isScalable() && "VF is assumed to be non scalable."); return TTI.getArithmeticInstrCost( I->getOpcode(), VectorTy, CostKind, TargetTransformInfo::OK_AnyValue, TargetTransformInfo::OK_AnyValue, TargetTransformInfo::OP_None, Index: llvm/test/Transforms/LoopVectorize/AArch64/sve-basic-vec.ll =================================================================== --- llvm/test/Transforms/LoopVectorize/AArch64/sve-basic-vec.ll +++ llvm/test/Transforms/LoopVectorize/AArch64/sve-basic-vec.ll @@ -18,8 +18,7 @@ ; CHECK: store [[TMP2]], * {{.*}}, align 4 ; entry: - %cmp7 = icmp sgt i64 %n, 0 - br i1 %cmp7, label %for.body, label %for.end + br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] @@ -50,8 +49,7 @@ ; CHECK: store [[TMP2]], * {{.*}}, align 4 entry: - %cmp8 = icmp sgt i64 %n, 0 - br i1 %cmp8, label %for.body, label %for.end + br label %for.body for.body: ; preds = %entry, %for.body %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] @@ -63,7 +61,33 @@ store float %conv, float* %arrayidx3, align 4 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 %exitcond.not = icmp eq i64 %indvars.iv.next, %n - br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !6 + br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 + +for.end: ; preds = %for.body, %entry + ret void +} + +define void @fneg_f32(float* noalias nocapture %a, float* noalias nocapture readonly %b, i64 %n) { +; CHECK-LABEL: @fneg_f32( +; CHECK-NEXT: entry: +; CHECK: vector.body: +; CHECK: [[WIDE_LOAD:%.*]] = load , * {{.*}}, align 4 +; CHECK-NEXT: [[TMP1:%.*]] = fneg [[WIDE_LOAD]] +; CHECK: store [[TMP1]], * {{.*}}, align 4 + +entry: + br label %for.body + +for.body: ; preds = %entry, %for.body + %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 + %fneg = fneg float %0 + %arrayidx3 = getelementptr inbounds float, float* %a, i64 %indvars.iv + store float %fneg, float* %arrayidx3, align 4 + %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1 + %exitcond.not = icmp eq i64 %indvars.iv.next, %n + br i1 %exitcond.not, label %for.end, label %for.body, !llvm.loop !0 for.end: ; preds = %for.body, %entry ret void @@ -75,4 +99,3 @@ !3 = !{!"llvm.loop.vectorize.scalable.enable", i1 true} !4 = !{!"llvm.loop.interleave.count", i32 1} !5 = !{!"llvm.loop.vectorize.enable", i1 true} -!6 = distinct !{!6, !1, !2, !3, !4, !5}