[llvm-commits] [llvm] r140203 - in /llvm/trunk: lib/Target/X86/X86InstrSSE.td test/CodeGen/X86/avx-vinsertf128.ll

[Bruno Cardoso Lopes]

Author: bruno
Date: Tue Sep 20 18:19:29 2011
New Revision: 140203

URL: http://llvm.org/viewvc/llvm-project?rev=140203&view=rev
Log:
Revert r140097, working on a better approach

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSSE.td
    llvm/trunk/test/CodeGen/X86/avx-vinsertf128.ll

Modified: llvm/trunk/lib/Target/X86/X86InstrSSE.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSSE.td?rev=140203&r1=140202&r2=140203&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSSE.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSSE.td Tue Sep 20 18:19:29 2011
@@ -157,21 +157,6 @@
 def : Pat<(insert_subvector undef, (v16i8 VR128:$src), (i32 0)),
           (INSERT_SUBREG (v32i8 (IMPLICIT_DEF)), VR128:$src, sub_xmm)>;
 
-// Inserting a 128-bit undef vector into the high part of a 256-bit
-// vector should return the 256-bit vector itself.
-def : Pat<(insert_subvector (v8i32 VR256:$src), undef, (i32 4)),
-          (v8i32 VR256:$src)>;
-def : Pat<(insert_subvector (v8f32 VR256:$src), undef, (i32 4)),
-          (v8f32 VR256:$src)>;
-def : Pat<(insert_subvector (v4i64 VR256:$src), undef, (i32 4)),
-          (v4i64 VR256:$src)>;
-def : Pat<(insert_subvector (v4f64 VR256:$src), undef, (i32 4)),
-          (v4f64 VR256:$src)>;
-def : Pat<(insert_subvector (v16i16 VR256:$src), undef, (i32 4)),
-          (v16i16 VR256:$src)>;
-def : Pat<(insert_subvector (v32i8 VR256:$src), undef, (i32 4)),
-          (v32i8 VR256:$src)>;
-
 // Implicitly promote a 32-bit scalar to a vector.
 def : Pat<(v4f32 (scalar_to_vector FR32:$src)),
           (INSERT_SUBREG (v4f32 (IMPLICIT_DEF)), FR32:$src, sub_ss)>;

Modified: llvm/trunk/test/CodeGen/X86/avx-vinsertf128.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/avx-vinsertf128.ll?rev=140203&r1=140202&r2=140203&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/avx-vinsertf128.ll (original)
+++ llvm/trunk/test/CodeGen/X86/avx-vinsertf128.ll Tue Sep 20 18:19:29 2011
@@ -37,10 +37,3 @@
   ret void
 }
 
-; CHECK: _C
-; CHECK-NOT: vinsertf128 $1
-define <4 x i32> @C(<4 x i32> %v1) nounwind readonly {
-  %1 = shufflevector <4 x i32> %v1, <4 x i32> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
-  %2 = shufflevector <8 x i32> %1, <8 x i32> undef, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
-  ret <4 x i32> %2
-}