[llvm] r284455 - [AVX-512] Add test case to check shuffle decoding for masked vpermilps for r284450.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue Oct 18 00:44:04 2016
New Revision: 284455

URL: http://llvm.org/viewvc/llvm-project?rev=284455&view=rev
Log:
[AVX-512] Add test case to check shuffle decoding for masked vpermilps for r284450.

This is harder to do for vpermilpd as shuffle combining turns the constant vector into an immediate since all vpermilpd's inputs with constant vector can also be encoded with the immediate form.

Modified:
    llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll

Modified: llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll?rev=284455&r1=284454&r2=284455&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-intrinsics.ll Tue Oct 18 00:44:04 2016
@@ -4510,6 +4510,25 @@ define <16 x float>@test_int_x86_avx512_
   ret <16 x float> %res4
 }
 
+; Test case to make sure we can print shuffle decode comments for constant pool loads.
+define <16 x float>@test_int_x86_avx512_mask_vpermilvar_ps_512_constant_pool(<16 x float> %x0, <16 x i32> %x1, <16 x float> %x2, i16 %x3) {
+; CHECK-LABEL: test_int_x86_avx512_mask_vpermilvar_ps_512_constant_pool:
+; CHECK:       ## BB#0:
+; CHECK-NEXT:    kmovw %edi, %k1
+; CHECK-NEXT:    vpermilps {{.*#+}} zmm2 = zmm0[2,3,0,1,7,6,5,4,9,8,11,10,12,13,14,15]
+; CHECK-NEXT:    vpermilps {{.*#+}} zmm1 = zmm0[1,0,3,2,4,5,6,7,9,8,11,10,12,13,14,15]
+; CHECK-NEXT:    vpermilps {{.*#+}} zmm0 = zmm0[1,0,3,2,4,5,6,7,10,11,8,9,14,15,13,12]
+; CHECK-NEXT:    vaddps %zmm1, %zmm2, %zmm1
+; CHECK-NEXT:    vaddps %zmm1, %zmm0, %zmm0
+; CHECK-NEXT:    retq
+  %res = call <16 x float> @llvm.x86.avx512.mask.vpermilvar.ps.512(<16 x float> %x0, <16 x i32> <i32 2, i32 3, i32 0, i32 1, i32 3, i32 2, i32 1, i32 0, i32 1, i32 0, i32 3, i32 2, i32 0, i32 1, i32 2, i32 3>, <16 x float> %x2, i16 %x3)
+  %res1 = call <16 x float> @llvm.x86.avx512.mask.vpermilvar.ps.512(<16 x float> %x0, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 0, i32 1, i32 2, i32 3, i32 1, i32 0, i32 3, i32 2, i32 0, i32 1, i32 2, i32 3>, <16 x float> zeroinitializer, i16 %x3)
+  %res2 = call <16 x float> @llvm.x86.avx512.mask.vpermilvar.ps.512(<16 x float> %x0, <16 x i32> <i32 1, i32 0, i32 3, i32 2, i32 0, i32 1, i32 2, i32 3, i32 2, i32 3, i32 0, i32 1, i32 2, i32 3, i32 1, i32 0>, <16 x float> %x2, i16 -1)
+  %res3 = fadd <16 x float> %res, %res1
+  %res4 = fadd <16 x float> %res2, %res3
+  ret <16 x float> %res4
+}
+
 declare <16 x float> @llvm.x86.avx512.mask.insertf32x4.512(<16 x float>, <4 x float>, i32, <16 x float>, i16)
 
 define <16 x float>@test_int_x86_avx512_mask_insertf32x4_512(<16 x float> %x0, <4 x float> %x1, <16 x float> %x3, i16 %x4) {