6e574a4fa3
Make it easier for splat/element-equivalent detection by ensuring constant splats contain no undefs. Integer constants are limited to rematerializable zeros/ones values to avoid unnecessary scalar_to_vector(int) -> load conversions - we can relax this later if useful
16 lines
867 B
LLVM
16 lines
867 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown -mcpu=btver2 | FileCheck %s
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define <8 x double> @test(<4 x double> %a, <4 x double> %b) {
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; CHECK-LABEL: test:
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; CHECK: # %bb.0:
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; CHECK-NEXT: vbroadcastsd {{.*#+}} ymm1 = [8.2071743224100002E-1,8.2071743224100002E-1,8.2071743224100002E-1,8.2071743224100002E-1]
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; CHECK-NEXT: vblendps {{.*#+}} ymm2 = ymm0[0,1,2,3],ymm1[4,5,6,7]
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; CHECK-NEXT: vblendps {{.*#+}} ymm0 = ymm1[0,1,2,3],ymm0[4,5,6,7]
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; CHECK-NEXT: vunpckhpd {{.*#+}} ymm1 = ymm0[1],ymm2[1],ymm0[3],ymm2[3]
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; CHECK-NEXT: retq
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%1 = shufflevector <4 x double> %a, <4 x double> <double undef, double 0x3FEA435134576E1C, double 0x3FEA435134576E1C, double 0x3FEA435134576E1C>, <8 x i32> <i32 6, i32 5, i32 2, i32 3, i32 5, i32 1, i32 3, i32 7>
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ret <8 x double> %1
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}
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