[llvm] r348909 - [X86] Add a few more fptosi test cases to demonstrate -x86-experimental-vector-widening legalization not combining vpacksswb+vpmovdw.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Tue Dec 11 21:55:59 2018
New Revision: 348909

URL: http://llvm.org/viewvc/llvm-project?rev=348909&view=rev
Log:
[X86] Add a few more fptosi test cases to demonstrate -x86-experimental-vector-widening legalization not combining vpacksswb+vpmovdw.

We are able to combine vpackuswb+vpmovdw, but we didn't have packsswb+vpmovdw at the time that combine was added.

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

Modified: llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll?rev=348909&r1=348908&r2=348909&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-cvt-widen.ll Tue Dec 11 21:55:59 2018
@@ -625,6 +625,45 @@ define <8 x i32> @f64to8si(<8 x double>
   ret <8 x i32> %b
 }
 
+define <8 x i16> @f64to8ss(<8 x double> %f) {
+; NOVL-LABEL: f64to8ss:
+; NOVL:       # %bb.0:
+; NOVL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; NOVL-NEXT:    vpmovdw %zmm0, %ymm0
+; NOVL-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; NOVL-NEXT:    vzeroupper
+; NOVL-NEXT:    retq
+;
+; VL-LABEL: f64to8ss:
+; VL:       # %bb.0:
+; VL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; VL-NEXT:    vpmovdw %ymm0, %xmm0
+; VL-NEXT:    vzeroupper
+; VL-NEXT:    retq
+  %res = fptosi <8 x double> %f to <8 x i16>
+  ret <8 x i16> %res
+}
+
+define <8 x i8> @f64to8sc(<8 x double> %f) {
+; NOVL-LABEL: f64to8sc:
+; NOVL:       # %bb.0:
+; NOVL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; NOVL-NEXT:    vpmovdw %zmm0, %ymm0
+; NOVL-NEXT:    vpacksswb %xmm0, %xmm0, %xmm0
+; NOVL-NEXT:    vzeroupper
+; NOVL-NEXT:    retq
+;
+; VL-LABEL: f64to8sc:
+; VL:       # %bb.0:
+; VL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; VL-NEXT:    vpmovdw %ymm0, %xmm0
+; VL-NEXT:    vpacksswb %xmm0, %xmm0, %xmm0
+; VL-NEXT:    vzeroupper
+; VL-NEXT:    retq
+  %res = fptosi <8 x double> %f to <8 x i8>
+  ret <8 x i8> %res
+}
+
 define <4 x i32> @f64to4si(<4 x double> %a) {
 ; ALL-LABEL: f64to4si:
 ; ALL:       # %bb.0:

Modified: llvm/trunk/test/CodeGen/X86/avx512-cvt.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx512-cvt.ll?rev=348909&r1=348908&r2=348909&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx512-cvt.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx512-cvt.ll Tue Dec 11 21:55:59 2018
@@ -626,6 +626,44 @@ define <8 x i32> @f64to8si(<8 x double>
   ret <8 x i32> %b
 }
 
+define <8 x i16> @f64to8ss(<8 x double> %f) {
+; NOVL-LABEL: f64to8ss:
+; NOVL:       # %bb.0:
+; NOVL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; NOVL-NEXT:    vpmovdw %zmm0, %ymm0
+; NOVL-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; NOVL-NEXT:    vzeroupper
+; NOVL-NEXT:    retq
+;
+; VL-LABEL: f64to8ss:
+; VL:       # %bb.0:
+; VL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; VL-NEXT:    vpmovdw %ymm0, %xmm0
+; VL-NEXT:    vzeroupper
+; VL-NEXT:    retq
+  %res = fptosi <8 x double> %f to <8 x i16>
+  ret <8 x i16> %res
+}
+
+define <8 x i8> @f64to8sc(<8 x double> %f) {
+; NOVL-LABEL: f64to8sc:
+; NOVL:       # %bb.0:
+; NOVL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; NOVL-NEXT:    vpmovdw %zmm0, %ymm0
+; NOVL-NEXT:    # kill: def $xmm0 killed $xmm0 killed $ymm0
+; NOVL-NEXT:    vzeroupper
+; NOVL-NEXT:    retq
+;
+; VL-LABEL: f64to8sc:
+; VL:       # %bb.0:
+; VL-NEXT:    vcvttpd2dq %zmm0, %ymm0
+; VL-NEXT:    vpmovdw %ymm0, %xmm0
+; VL-NEXT:    vzeroupper
+; VL-NEXT:    retq
+  %res = fptosi <8 x double> %f to <8 x i8>
+  ret <8 x i8> %res
+}
+
 define <4 x i32> @f64to4si(<4 x double> %a) {
 ; ALL-LABEL: f64to4si:
 ; ALL:       # %bb.0: