f61c9b7569
This fixes an infinite loop if isa<T>(II->getOperand(1)) is true. Update Base at the top of the loop, before the continue. Reviewed By: ABataev Differential Revision: https://reviews.llvm.org/D144292
60 lines
2.7 KiB
LLVM
60 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=slp-vectorizer -S | FileCheck %s
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target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
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target triple = "aarch64-unknown-linux-gnu"
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define <2 x float> @insertelement-fixed-vector() {
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; CHECK-LABEL: @insertelement-fixed-vector(
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; CHECK-NEXT: [[TMP1:%.*]] = call fast <2 x float> @llvm.fabs.v2f32(<2 x float> undef)
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; CHECK-NEXT: ret <2 x float> [[TMP1]]
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;
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%f0 = tail call fast float @llvm.fabs.f32(float undef)
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%f1 = tail call fast float @llvm.fabs.f32(float undef)
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%i0 = insertelement <2 x float> undef, float %f0, i32 0
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%i1 = insertelement <2 x float> %i0, float %f1, i32 1
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ret <2 x float> %i1
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}
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; TODO: llvm.fabs could be optimized in vector form. It's legal to extract
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; elements from fixed-length vector and insert into scalable vector.
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define <vscale x 2 x float> @insertelement-scalable-vector() {
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; CHECK-LABEL: @insertelement-scalable-vector(
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; CHECK-NEXT: [[F0:%.*]] = tail call fast float @llvm.fabs.f32(float undef)
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; CHECK-NEXT: [[F1:%.*]] = tail call fast float @llvm.fabs.f32(float undef)
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; CHECK-NEXT: [[I0:%.*]] = insertelement <vscale x 2 x float> undef, float [[F0]], i32 0
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; CHECK-NEXT: [[I1:%.*]] = insertelement <vscale x 2 x float> [[I0]], float [[F1]], i32 1
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; CHECK-NEXT: ret <vscale x 2 x float> [[I1]]
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;
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%f0 = tail call fast float @llvm.fabs.f32(float undef)
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%f1 = tail call fast float @llvm.fabs.f32(float undef)
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%i0 = insertelement <vscale x 2 x float> undef, float %f0, i32 0
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%i1 = insertelement <vscale x 2 x float> %i0, float %f1, i32 1
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ret <vscale x 2 x float> %i1
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}
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; Function Attrs: nounwind readnone speculatable willreturn
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declare float @llvm.fabs.f32(float)
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define <4 x float> @insertelement_poison_lanes(ptr %0) {
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; CHECK-LABEL: @insertelement_poison_lanes(
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; CHECK-NEXT: [[INS_1:%.*]] = insertelement <4 x float> zeroinitializer, float poison, i64 0
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; CHECK-NEXT: [[INS_2:%.*]] = insertelement <4 x float> [[INS_1]], float 0.000000e+00, i64 0
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; CHECK-NEXT: [[GEP_1:%.*]] = getelementptr double, ptr [[TMP0:%.*]], i64 1
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; CHECK-NEXT: store <2 x double> <double 0.000000e+00, double 1.000000e+00>, ptr [[GEP_1]], align 8
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; CHECK-NEXT: ret <4 x float> [[INS_2]]
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;
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%trunc.1 = fptrunc double 0.000000e+00 to float
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%trunc.2 = fptrunc double 1.000000e+00 to float
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%ins.1 = insertelement <4 x float> zeroinitializer, float poison, i64 0
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%ins.2 = insertelement <4 x float> %ins.1, float %trunc.1, i64 0
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%ext.1 = fpext float %trunc.1 to double
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%gep.1 = getelementptr double, ptr %0, i64 1
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store double %ext.1, ptr %gep.1, align 8
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%ext.2 = fpext float %trunc.2 to double
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%gep.2 = getelementptr double, ptr %0, i64 2
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store double %ext.2, ptr %gep.2, align 8
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ret <4 x float> %ins.2
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}
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