[llvm-commits] [llvm] r166947 - in /llvm/trunk: lib/Target/X86/X86InstrSSE.td test/CodeGen/X86/pr14204.ll

[Michael Liao]

Author: hliao
Date: Mon Oct 29 12:57:12 2012
New Revision: 166947

URL: http://llvm.org/viewvc/llvm-project?rev=166947&view=rev
Log:
Fix PR14204

- Add missing pattern on X86ISD::VZEXT from VR256 to VR256 when AVX2 is enabled.


Added:
    llvm/trunk/test/CodeGen/X86/pr14204.ll
Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=166947&r1=166946&r2=166947&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Mon Oct 29 12:57:12 2012
@@ -5850,6 +5850,21 @@
   def : Pat<(v4i64  (X86vzext (v8i16 VR128:$src))), (VPMOVZXWQYrr VR128:$src)>;
 
   def : Pat<(v4i64  (X86vzext (v4i32 VR128:$src))), (VPMOVZXDQYrr VR128:$src)>;
+
+  def : Pat<(v16i16 (X86vzext (v32i8 VR256:$src))),
+            (VPMOVZXBWYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
+  def : Pat<(v8i32 (X86vzext (v32i8 VR256:$src))),
+            (VPMOVZXBDYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
+  def : Pat<(v4i64 (X86vzext (v32i8 VR256:$src))),
+            (VPMOVZXBQYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
+
+  def : Pat<(v8i32 (X86vzext (v16i16 VR256:$src))),
+            (VPMOVZXWDYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
+  def : Pat<(v4i64 (X86vzext (v16i16 VR256:$src))),
+            (VPMOVZXWQYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
+
+  def : Pat<(v4i64 (X86vzext (v8i32 VR256:$src))),
+            (VPMOVZXDQYrr (EXTRACT_SUBREG VR256:$src, sub_xmm))>;
 }
 
 let Predicates = [HasAVX] in {

Added: llvm/trunk/test/CodeGen/X86/pr14204.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/pr14204.ll?rev=166947&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/pr14204.ll (added)
+++ llvm/trunk/test/CodeGen/X86/pr14204.ll Mon Oct 29 12:57:12 2012
@@ -0,0 +1,15 @@
+; RUN: llc < %s -mtriple=x86_64-linux-pc -mcpu=core-avx2 | FileCheck %s
+
+; FIXME: vpmovsxwd should be generated instead of vpmovzxwd followed by
+; SLL/SRA.
+
+define <8 x i32> @foo(<8 x i1> %bar) nounwind readnone {
+entry:
+  %s = sext <8 x i1> %bar to <8 x i32>
+  ret <8 x i32> %s
+; CHECK: foo
+; CHECK: vpmovzxwd
+; CHECK: vpslld
+; CHECK: vpsrad
+; CHECK: ret
+}