From 7a0eb91b4c238542a11ca805af15933cc8290786 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 28 Mar 2010 08:38:32 +0000 Subject: 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 --- test/CodeGen/X86/2007-04-25-MMX-PADDQ.ll | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'test') 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 ; [#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 ] ; [#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] -- cgit v1.2.3