[llvm] r355849 - [X86] Extend widening comparison test.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Mon Mar 11 11:08:20 2019
New Revision: 355849

URL: http://llvm.org/viewvc/llvm-project?rev=355849&view=rev
Log:
[X86] Extend widening comparison test.

Ensure we test both v2i16 unary and binary comparisons.

Modified:
    llvm/trunk/test/CodeGen/X86/widen_compare-1.ll

Modified: llvm/trunk/test/CodeGen/X86/widen_compare-1.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/widen_compare-1.ll?rev=355849&r1=355848&r2=355849&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/widen_compare-1.ll (original)
+++ llvm/trunk/test/CodeGen/X86/widen_compare-1.ll Mon Mar 11 11:08:20 2019
@@ -4,13 +4,13 @@
 
 ; compare v2i16
 
-define <2 x i16> @compare_v2i64_to_v2i16(<2 x i16>* %src) nounwind {
-; X86-LABEL: compare_v2i64_to_v2i16:
+define <2 x i16> @compare_v2i64_to_v2i16_unary(<2 x i16>* %src) nounwind {
+; X86-LABEL: compare_v2i64_to_v2i16_unary:
 ; X86:       # %bb.0:
 ; X86-NEXT:    pcmpeqd %xmm0, %xmm0
 ; X86-NEXT:    retl
 ;
-; X64-LABEL: compare_v2i64_to_v2i16:
+; X64-LABEL: compare_v2i64_to_v2i16_unary:
 ; X64:       # %bb.0:
 ; X64-NEXT:    pcmpeqd %xmm0, %xmm0
 ; X64-NEXT:    retq
@@ -19,3 +19,30 @@ define <2 x i16> @compare_v2i64_to_v2i16
   %sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
   ret <2 x i16> %sel
 }
+
+define <2 x i16> @compare_v2i64_to_v2i16_binary(<2 x i16>* %src0, <2 x i16>* %src1) nounwind {
+; X86-LABEL: compare_v2i64_to_v2i16_binary:
+; X86:       # %bb.0:
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    pmovzxwq {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
+; X86-NEXT:    pmovzxwq {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
+; X86-NEXT:    pcmpgtq %xmm0, %xmm1
+; X86-NEXT:    pcmpeqd %xmm0, %xmm0
+; X86-NEXT:    pxor %xmm1, %xmm0
+; X86-NEXT:    retl
+;
+; X64-LABEL: compare_v2i64_to_v2i16_binary:
+; X64:       # %bb.0:
+; X64-NEXT:    pmovzxwq {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
+; X64-NEXT:    pmovzxwq {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero
+; X64-NEXT:    pcmpgtq %xmm0, %xmm1
+; X64-NEXT:    pcmpeqd %xmm0, %xmm0
+; X64-NEXT:    pxor %xmm1, %xmm0
+; X64-NEXT:    retq
+  %val0 = load <2 x i16>, <2 x i16>* %src0, align 4
+  %val1 = load <2 x i16>, <2 x i16>* %src1, align 4
+  %cmp = icmp uge <2 x i16> %val0, %val1
+  %sel = select <2 x i1> %cmp, <2 x i16> <i16 -1, i16 -1>, <2 x i16> zeroinitializer
+  ret <2 x i16> %sel
+}