[llvm] r286068 - [X86] Add knownbits vector or test

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Sun Nov  6 10:05:59 2016
New Revision: 286068

URL: http://llvm.org/viewvc/llvm-project?rev=286068&view=rev
Log:
[X86] Add knownbits vector or test

In preparation for demandedelts support

Modified:
    llvm/trunk/test/CodeGen/X86/known-bits-vector.ll

Modified: llvm/trunk/test/CodeGen/X86/known-bits-vector.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/known-bits-vector.ll?rev=286068&r1=286067&r2=286068&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/known-bits-vector.ll (original)
+++ llvm/trunk/test/CodeGen/X86/known-bits-vector.ll Sun Nov  6 10:05:59 2016
@@ -89,3 +89,34 @@ define <4 x float> @knownbits_mask_shuff
   %3 = uitofp <4 x i32> %2 to <4 x float>
   ret <4 x float> %3
 }
+
+define <4 x float> @knownbits_mask_or_shuffle_uitofp(<4 x i32> %a0) nounwind {
+; X32-LABEL: knownbits_mask_or_shuffle_uitofp:
+; X32:       # BB#0:
+; X32-NEXT:    vpand {{\.LCPI.*}}, %xmm0, %xmm0
+; X32-NEXT:    vpor {{\.LCPI.*}}, %xmm0, %xmm0
+; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
+; X32-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
+; X32-NEXT:    vpsrld $16, %xmm0, %xmm0
+; X32-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
+; X32-NEXT:    vaddps {{\.LCPI.*}}, %xmm0, %xmm0
+; X32-NEXT:    vaddps %xmm0, %xmm1, %xmm0
+; X32-NEXT:    retl
+;
+; X64-LABEL: knownbits_mask_or_shuffle_uitofp:
+; X64:       # BB#0:
+; X64-NEXT:    vpand {{.*}}(%rip), %xmm0, %xmm0
+; X64-NEXT:    vpor {{.*}}(%rip), %xmm0, %xmm0
+; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[2,2,3,3]
+; X64-NEXT:    vpblendw {{.*#+}} xmm1 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
+; X64-NEXT:    vpsrld $16, %xmm0, %xmm0
+; X64-NEXT:    vpblendw {{.*#+}} xmm0 = xmm0[0],mem[1],xmm0[2],mem[3],xmm0[4],mem[5],xmm0[6],mem[7]
+; X64-NEXT:    vaddps {{.*}}(%rip), %xmm0, %xmm0
+; X64-NEXT:    vaddps %xmm0, %xmm1, %xmm0
+; X64-NEXT:    retq
+  %1 = and <4 x i32> %a0, <i32 -1, i32 -1, i32 255, i32 4085>
+  %2 = or <4 x i32> %1, <i32 65535, i32 65535, i32 65535, i32 65535>
+  %3 = shufflevector <4 x i32> %2, <4 x i32> undef, <4 x i32> <i32 2, i32 2, i32 3, i32 3>
+  %4 = uitofp <4 x i32> %3 to <4 x float>
+  ret <4 x float> %4
+}