[llvm] r357636 - [x86] add another test for disguised h-op; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Wed Apr 3 14:10:56 PDT 2019
Author: spatel
Date: Wed Apr 3 14:10:55 2019
New Revision: 357636
URL: http://llvm.org/viewvc/llvm-project?rev=357636&view=rev
Log:
[x86] add another test for disguised h-op; NFC
Modified:
llvm/trunk/test/CodeGen/X86/haddsub-shuf.ll
Modified: llvm/trunk/test/CodeGen/X86/haddsub-shuf.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/haddsub-shuf.ll?rev=357636&r1=357635&r2=357636&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/haddsub-shuf.ll (original)
+++ llvm/trunk/test/CodeGen/X86/haddsub-shuf.ll Wed Apr 3 14:10:55 2019
@@ -361,6 +361,44 @@ define <2 x double> @hadd_v2f64_scalar_s
ret <2 x double> %shuf
}
+define <4 x double> @hadd_v4f64_scalar_splat(<4 x double> %a) {
+; SSSE3_SLOW-LABEL: hadd_v4f64_scalar_splat:
+; SSSE3_SLOW: # %bb.0:
+; SSSE3_SLOW-NEXT: movapd %xmm0, %xmm2
+; SSSE3_SLOW-NEXT: unpckhpd {{.*#+}} xmm2 = xmm2[1],xmm0[1]
+; SSSE3_SLOW-NEXT: addsd %xmm0, %xmm2
+; SSSE3_SLOW-NEXT: movapd %xmm1, %xmm3
+; SSSE3_SLOW-NEXT: unpckhpd {{.*#+}} xmm3 = xmm3[1],xmm1[1]
+; SSSE3_SLOW-NEXT: addsd %xmm1, %xmm3
+; SSSE3_SLOW-NEXT: movddup {{.*#+}} xmm0 = xmm2[0,0]
+; SSSE3_SLOW-NEXT: movddup {{.*#+}} xmm1 = xmm3[0,0]
+; SSSE3_SLOW-NEXT: retq
+;
+; SSSE3_FAST-LABEL: hadd_v4f64_scalar_splat:
+; SSSE3_FAST: # %bb.0:
+; SSSE3_FAST-NEXT: haddpd %xmm0, %xmm0
+; SSSE3_FAST-NEXT: haddpd %xmm1, %xmm1
+; SSSE3_FAST-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
+; SSSE3_FAST-NEXT: movddup {{.*#+}} xmm1 = xmm1[0,0]
+; SSSE3_FAST-NEXT: retq
+;
+; AVX-LABEL: hadd_v4f64_scalar_splat:
+; AVX: # %bb.0:
+; AVX-NEXT: vhaddpd %ymm0, %ymm0, %ymm0
+; AVX-NEXT: vmovddup {{.*#+}} ymm0 = ymm0[0,0,2,2]
+; AVX-NEXT: retq
+ %a0 = extractelement <4 x double> %a, i32 0
+ %a1 = extractelement <4 x double> %a, i32 1
+ %hop0 = fadd double %a0, %a1
+ %a2 = extractelement <4 x double> %a, i32 2
+ %a3 = extractelement <4 x double> %a, i32 3
+ %hop1 = fadd double %a2, %a3
+ %ins = insertelement <4 x double> undef, double %hop0, i32 0
+ %ins2 = insertelement <4 x double> %ins, double %hop1, i32 2
+ %shuf = shufflevector <4 x double> %ins2, <4 x double> undef, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
+ ret <4 x double> %shuf
+}
+
define <4 x double> @hadd_v4f64(<4 x double> %a) {
; SSSE3_SLOW-LABEL: hadd_v4f64:
; SSSE3_SLOW: # %bb.0:
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