From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 11 Mar 2019 18:08:20 +0000 (+0000)
Subject: [X86] Extend widening comparison test.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=ca9c63cecee4a16b5939c8559d88fa982e805a99;p=llvm

[X86] Extend widening comparison test.

Ensure we test both v2i16 unary and binary comparisons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@355849 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/CodeGen/X86/widen_compare-1.ll b/test/CodeGen/X86/widen_compare-1.ll
index 9c0fb0e7461..8e2005753bd 100644
--- a/test/CodeGen/X86/widen_compare-1.ll
+++ b/test/CodeGen/X86/widen_compare-1.ll
@@ -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(<2 x i16>* %src) nounwind {
   %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
+}