diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-03-28 08:38:32 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-28 08:38:32 +0000 |
| commit | 7a0eb91b4c238542a11ca805af15933cc8290786 (patch) | |
| tree | 2f4eafb95f896455bc6c85965d72f536adcaa3c1 /test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll | |
| parent | e82f336d8f6721a07821df82a3b999a907f9b477 (diff) | |
teach tblgen to allow patterns like (add (i32 (bitconvert (i32 GPR))), 4),
transforming it into (add (i32 GPR), 4). This allows us to write type
generic multi patterns and have tblgen automatically drop the bitconvert
in the case when the types align. This allows us to fold an extra load
in the changed testcase.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99756 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll')
| -rw-r--r-- | test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll b/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll index 113d0eb8647..c39b82a1fe3 100644 --- a/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll +++ b/test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll @@ -1,12 +1,16 @@ -; RUN: llc < %s -o - -march=x86 -mattr=+mmx | grep paddq | count 2 -; RUN: llc < %s -o - -march=x86 -mattr=+mmx | grep movq | count 2 +; RUN: llc < %s -o - -march=x86 -mattr=+mmx | FileCheck %s -define <1 x i64> @unsigned_add3(<1 x i64>* %a, <1 x i64>* %b, i32 %count) { +define <1 x i64> @unsigned_add3(<1 x i64>* %a, <1 x i64>* %b, i32 %count) nounwind { entry: %tmp2942 = icmp eq i32 %count, 0 ; <i1> [#uses=1] br i1 %tmp2942, label %bb31, label %bb26 bb26: ; preds = %bb26, %entry + +; CHECK: movq ({{.*}},8), %mm +; CHECK: paddq ({{.*}},8), %mm +; CHECK: paddq %mm{{[0-7]}}, %mm + %i.037.0 = phi i32 [ 0, %entry ], [ %tmp25, %bb26 ] ; <i32> [#uses=3] %sum.035.0 = phi <1 x i64> [ zeroinitializer, %entry ], [ %tmp22, %bb26 ] ; <<1 x i64>> [#uses=1] %tmp13 = getelementptr <1 x i64>* %b, i32 %i.037.0 ; <<1 x i64>*> [#uses=1] |