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When we use mask compare intrinsics under strict FP option, the masked elements shouldn't raise any exception. So, we cann't replace the intrinsic with a full compare + "and" operation. Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D85385
53 lines
3.3 KiB
LLVM
53 lines
3.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s | FileCheck %s
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; This test checks optimal passing values between "cmp" and "kor" intrinsics
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; PR28839
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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; Function Attrs: nounwind readnone uwtable
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define zeroext i16 @cmp_kor_seq_16(<16 x float> %a, <16 x float> %b, <16 x float> %c, <16 x float> %d, <16 x float> %x) local_unnamed_addr #0 {
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; CHECK-LABEL: cmp_kor_seq_16:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: vcmpgeps %zmm4, %zmm0, %k0
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; CHECK-NEXT: vcmpgeps %zmm4, %zmm1, %k1
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; CHECK-NEXT: korw %k1, %k0, %k0
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; CHECK-NEXT: vcmpgeps %zmm4, %zmm2, %k1
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; CHECK-NEXT: vcmpgeps %zmm4, %zmm3, %k2
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; CHECK-NEXT: korw %k2, %k1, %k1
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; CHECK-NEXT: korw %k1, %k0, %k0
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; CHECK-NEXT: kmovw %k0, %eax
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; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
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; CHECK-NEXT: retq
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entry:
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%0 = call <16 x i1> @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> %a, <16 x float> %x, i32 13, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, i32 4)
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%1 = bitcast <16 x i1> %0 to i16
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%2 = call <16 x i1> @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> %b, <16 x float> %x, i32 13, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, i32 4)
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%3 = bitcast <16 x i1> %2 to i16
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%4 = call <16 x i1> @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> %c, <16 x float> %x, i32 13, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, i32 4)
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%5 = bitcast <16 x i1> %4 to i16
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%6 = call <16 x i1> @llvm.x86.avx512.mask.cmp.ps.512(<16 x float> %d, <16 x float> %x, i32 13, <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, i32 4)
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%7 = bitcast <16 x i1> %6 to i16
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%8 = bitcast i16 %1 to <16 x i1>
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%9 = bitcast i16 %3 to <16 x i1>
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%10 = or <16 x i1> %8, %9
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%11 = bitcast <16 x i1> %10 to i16
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%12 = bitcast i16 %5 to <16 x i1>
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%13 = bitcast i16 %7 to <16 x i1>
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%14 = or <16 x i1> %12, %13
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%15 = bitcast <16 x i1> %14 to i16
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%16 = bitcast i16 %11 to <16 x i1>
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%17 = bitcast i16 %15 to <16 x i1>
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%18 = or <16 x i1> %16, %17
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%19 = bitcast <16 x i1> %18 to i16
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ret i16 %19
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}
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; Function Attrs: nounwind readnone
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declare <16 x i1> @llvm.x86.avx512.mask.cmp.ps.512(<16 x float>, <16 x float>, i32, <16 x i1>, i32) #1
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attributes #0 = { nounwind readnone uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="knl" "target-features"="+adx,+aes,+avx,+avx2,+avx512cd,+avx512er,+avx512f,+avx512pf,+bmi,+bmi2,+cx16,+f16c,+fma,+fsgsbase,+fxsr,+lzcnt,+mmx,+movbe,+pclmul,+popcnt,+prefetchwt1,+rdrnd,+rdseed,+rtm,+sse,+sse2,+sse3,+sse4.1,+sse4.2,+ssse3,+x87,+xsave,+xsaveopt" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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