42 lines · plain
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 22; RUN: llc -mtriple=arm64-unknown-unknown < %s -o -| FileCheck %s3 4; This test covers a case where extract_vector_elt is selected when DUP is5; generated. Where it tries to generate a ZextOrTrunc node with floating point6; type resulting in a crash.7; See https://reviews.llvm.org/D128144#4280024 for context8define double @dot_product(double %a) {9; CHECK-LABEL: dot_product:10; CHECK: // %bb.0: // %entry11; CHECK-NEXT: fmov d1, #1.0000000012; CHECK-NEXT: fadd d0, d0, d113; CHECK-NEXT: fadd d0, d0, d114; CHECK-NEXT: movi d1, #000000000000000015; CHECK-NEXT: fadd d0, d0, d116; CHECK-NEXT: fsqrt d0, d017; CHECK-NEXT: fmul d2, d0, d118; CHECK-NEXT: fcmp d0, #0.019; CHECK-NEXT: fcsel d0, d1, d2, gt20; CHECK-NEXT: ret21entry:22 %fadd = call double @llvm.vector.reduce.fadd.v3f64(double %a, <3 x double> <double 1.000000e+00, double 1.000000e+00, double 0.000000e+00>)23 %sqrt = call double @llvm.sqrt.f64(double %fadd)24 %insert = insertelement <3 x double> zeroinitializer, double %sqrt, i64 025 %shuffle = shufflevector <3 x double> %insert, <3 x double> zeroinitializer, <3 x i32> zeroinitializer26 %mul = fmul <3 x double> %shuffle, <double 1.000000e+00, double 1.000000e+00, double 0.000000e+00>27 %shuffle.1 = extractelement <3 x double> %mul, i64 028 %shuffle.2 = extractelement <3 x double> %mul, i64 129 %cmp = fcmp ogt double %shuffle.2, 0.000000e+0030 br i1 %cmp, label %exit, label %bb.131 32bb.1:33 %mul.2 = fmul double %shuffle.1, 0.000000e+0034 ret double %mul.235 36exit:37 ret double 0.038}39 40declare double @llvm.sqrt.f64(double)41declare double @llvm.vector.reduce.fadd.v3f64(double, <3 x double>)42