derek.holloway
7502bf64a4
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42 lines
1.7 KiB
LLVM
42 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
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; RUN: llc -mtriple=arm64-unknown-unknown < %s -o -| FileCheck %s
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; This test covers a case where extract_vector_elt is selected when DUP is
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; generated. Where it tries to generate a ZextOrTrunc node with floating point
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; type resulting in a crash.
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; See https://reviews.llvm.org/D128144#4280024 for context
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define double @dot_product(double %a) {
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; CHECK-LABEL: dot_product:
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; CHECK: // %bb.0: // %entry
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; CHECK-NEXT: fmov d1, #1.00000000
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: movi d1, #0000000000000000
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; CHECK-NEXT: fadd d0, d0, d1
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; CHECK-NEXT: fsqrt d0, d0
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; CHECK-NEXT: fmul d2, d0, d1
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; CHECK-NEXT: fcmp d0, #0.0
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; CHECK-NEXT: fcsel d0, d1, d2, gt
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; CHECK-NEXT: ret
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entry:
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%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>)
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%sqrt = call double @llvm.sqrt.f64(double %fadd)
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%insert = insertelement <3 x double> zeroinitializer, double %sqrt, i64 0
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%shuffle = shufflevector <3 x double> %insert, <3 x double> zeroinitializer, <3 x i32> zeroinitializer
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%mul = fmul <3 x double> %shuffle, <double 1.000000e+00, double 1.000000e+00, double 0.000000e+00>
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%shuffle.1 = extractelement <3 x double> %mul, i64 0
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%shuffle.2 = extractelement <3 x double> %mul, i64 1
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%cmp = fcmp ogt double %shuffle.2, 0.000000e+00
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br i1 %cmp, label %exit, label %bb.1
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bb.1:
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%mul.2 = fmul double %shuffle.1, 0.000000e+00
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ret double %mul.2
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exit:
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ret double 0.0
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}
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declare double @llvm.sqrt.f64(double)
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declare double @llvm.vector.reduce.fadd.v3f64(double, <3 x double>)
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