[llvm-branch-commits] [llvm-branch] r85969 - in /llvm/branches/Apple/Leela/test/CodeGen/X86: scalar-extract.ll widen_load-0.ll

[Bill Wendling]

Author: void
Date: Tue Nov  3 17:28:08 2009
New Revision: 85969

URL: http://llvm.org/viewvc/llvm-project?rev=85969&view=rev
Log:
Apply patch for <rdar://problem/7098635>.

Modified:
    llvm/branches/Apple/Leela/test/CodeGen/X86/scalar-extract.ll
    llvm/branches/Apple/Leela/test/CodeGen/X86/widen_load-0.ll

Modified: llvm/branches/Apple/Leela/test/CodeGen/X86/scalar-extract.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/X86/scalar-extract.ll?rev=85969&r1=85968&r2=85969&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/X86/scalar-extract.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/X86/scalar-extract.ll Tue Nov  3 17:28:08 2009
@@ -1,8 +1,8 @@
 ; RUN: llc < %s -march=x86 -mattr=+mmx -o %t
-; RUN: not grep movq  %t
+; RUN: grep movq  %t
 
-; Check that widening doesn't introduce a mmx register in this case when
-; a simple load/store would suffice.
+; Due to splatting the last element for widening <rdar://problem/7098635>,
+; we would introduce a movq since a simple load/store would not suffice.
 
 define void @foo(<2 x i16>* %A, <2 x i16>* %B) {
 entry:

Modified: llvm/branches/Apple/Leela/test/CodeGen/X86/widen_load-0.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Leela/test/CodeGen/X86/widen_load-0.ll?rev=85969&r1=85968&r2=85969&view=diff

==============================================================================
--- llvm/branches/Apple/Leela/test/CodeGen/X86/widen_load-0.ll (original)
+++ llvm/branches/Apple/Leela/test/CodeGen/X86/widen_load-0.ll Tue Nov  3 17:28:08 2009
@@ -1,11 +1,14 @@
 ; RUN: llc < %s -o - -march=x86-64 | FileCheck %s
 ; PR4891
 
+; Due to splatting the last value <rdar://problem/7098635>, the loads are
+; widened before the store.
+
 ; Both loads should happen before either store.
 
-; CHECK: movl  (%rdi), %eax
-; CHECK: movl  (%rsi), %ecx
-; CHECK: movl  %ecx, (%rdi)
+; CHECK: movd  (%rsi), %mm0
+; CHECK: movd  (%rdi), %mm0
+; CHECK: movl  %eax, (%rdi)
 ; CHECK: movl  %eax, (%rsi)
 
 define void @short2_int_swap(<2 x i16>* nocapture %b, i32* nocapture %c) nounwind {