[llvm] r295692 - [AVX-512] Add test cases showing failure to fold zero extending scalar loads in scalar intrinsics without the peephole pass.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Mon Feb 20 22:26:07 2017
New Revision: 295692

URL: http://llvm.org/viewvc/llvm-project?rev=295692&view=rev
Log:
[AVX-512] Add test cases showing failure to fold zero extending scalar loads in scalar intrinsics without the peephole pass.

Added:
    llvm/trunk/test/CodeGen/X86/avx512-memfold.ll

Added: llvm/trunk/test/CodeGen/X86/avx512-memfold.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-memfold.ll?rev=295692&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-memfold.ll (added)
+++ llvm/trunk/test/CodeGen/X86/avx512-memfold.ll Mon Feb 20 22:26:07 2017
@@ -0,0 +1,77 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc < %s -disable-peephole -mtriple=x86_64-apple-darwin -mcpu=knl | FileCheck %s
+
+define i8 @test_int_x86_avx512_mask_cmp_ss(<4 x float> %a, float* %b, i8 %mask) {
+; CHECK-LABEL: test_int_x86_avx512_mask_cmp_ss:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; CHECK-NEXT:    andl $1, %esi
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vcmpunordss %xmm1, %xmm0, %k0 {%k1}
+; CHECK-NEXT:    kmovw %k0, %eax
+; CHECK-NEXT:    andl $1, %eax
+; CHECK-NEXT:    ## kill: %AL<def> %AL<kill> %EAX<kill>
+; CHECK-NEXT:    retq
+  %b.val = load float, float* %b
+  %bv0 = insertelement <4 x float> undef, float %b.val, i32 0
+  %bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
+  %bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
+  %bv  = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
+  %res2 = call i8 @llvm.x86.avx512.mask.cmp.ss(<4 x float> %a, <4 x float> %bv, i32 3, i8 %mask, i32 4)
+  ret i8 %res2
+}
+declare i8 @llvm.x86.avx512.mask.cmp.ss(<4 x float>, <4 x float>, i32, i8, i32)
+
+define <4 x float> @test_mask_max_ss(<4 x float> %a, float* %b, i8 %mask) {
+; CHECK-LABEL: test_mask_max_ss:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; CHECK-NEXT:    andl $1, %esi
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vmaxss %xmm1, %xmm0, %xmm0 {%k1} {z}
+; CHECK-NEXT:    retq
+  %b.val = load float, float* %b
+  %bv0 = insertelement <4 x float> undef, float %b.val, i32 0
+  %bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
+  %bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
+  %bv  = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
+  %res = call <4 x float> @llvm.x86.avx512.mask.max.ss.round(<4 x float>%a, <4 x float> %bv, <4 x float> zeroinitializer, i8 %mask, i32 4)
+  ret <4 x float> %res
+}
+declare <4 x float> @llvm.x86.avx512.mask.max.ss.round(<4 x float>, <4 x float>, <4 x float>, i8, i32) nounwind readnone
+
+define <4 x float> @test_maskz_add_ss(<4 x float> %a, float* %b, i8 %mask) {
+; CHECK-LABEL: test_maskz_add_ss:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vmovss {{.*#+}} xmm1 = mem[0],zero,zero,zero
+; CHECK-NEXT:    andl $1, %esi
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vaddss %xmm1, %xmm0, %xmm0 {%k1} {z}
+; CHECK-NEXT:    retq
+  %b.val = load float, float* %b
+  %bv0 = insertelement <4 x float> undef, float %b.val, i32 0
+  %bv1 = insertelement <4 x float> %bv0, float 0.000000e+00, i32 1
+  %bv2 = insertelement <4 x float> %bv1, float 0.000000e+00, i32 2
+  %bv  = insertelement <4 x float> %bv2, float 0.000000e+00, i32 3
+  %res = call <4 x float> @llvm.x86.avx512.mask.add.ss.round(<4 x float>%a, <4 x float> %bv, <4 x float> zeroinitializer, i8 %mask, i32 4)
+  ret <4 x float> %res
+}
+
+declare <4 x float> @llvm.x86.avx512.mask.add.ss.round(<4 x float>, <4 x float>, <4 x float>, i8, i32) nounwind readnone
+
+declare <2 x double> @llvm.x86.avx512.mask.vfmadd.sd(<2 x double>, <2 x double>, <2 x double>, i8, i32)
+
+define <2 x double> @test_int_x86_avx512_mask_vfmadd_sd(<2 x double> %a, <2 x double> %b, double* %c, i8 %mask){
+; CHECK-LABEL: test_int_x86_avx512_mask_vfmadd_sd:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    vmovsd {{.*#+}} xmm2 = mem[0],zero
+; CHECK-NEXT:    andl $1, %esi
+; CHECK-NEXT:    kmovw %esi, %k1
+; CHECK-NEXT:    vfmadd213sd %xmm2, %xmm1, %xmm0 {%k1}
+; CHECK-NEXT:    retq
+  %c.val = load double, double* %c
+  %cv0 = insertelement <2 x double> undef, double %c.val, i32 0
+  %cv = insertelement <2 x double> %cv0, double 0.000000e+00, i32 1
+  %res = call <2 x double> @llvm.x86.avx512.mask.vfmadd.sd(<2 x double> %a, <2 x double> %b, <2 x double> %cv, i8 %mask, i32 4)
+  ret <2 x double> %res
+}