[llvm-commits] [llvm] r119693 - /llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll

[Chris Lattner]

Author: lattner
Date: Thu Nov 18 01:49:32 2010
New Revision: 119693

URL: http://llvm.org/viewvc/llvm-project?rev=119693&view=rev
Log:
filecheckize, this is still not optimal, see PR8643

Modified:
    llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll

Modified: llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll?rev=119693&r1=119692&r2=119693&view=diff
==============================================================================
--- llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll (original)
+++ llvm/trunk/test/Transforms/MemCpyOpt/memcpy.ll Thu Nov 18 01:49:32 2010
@@ -3,7 +3,7 @@
 target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
 target triple = "i686-apple-darwin9"
 
-define void @ccosl({ x86_fp80, x86_fp80 }* sret  %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind  {
+define void @test1({ x86_fp80, x86_fp80 }* sret  %agg.result, x86_fp80 %z.0, x86_fp80 %z.1) nounwind  {
 entry:
 	%tmp2 = alloca { x86_fp80, x86_fp80 }		; <{ x86_fp80, x86_fp80 }*> [#uses=1]
 	%memtmp = alloca { x86_fp80, x86_fp80 }, align 16		; <{ x86_fp80, x86_fp80 }*> [#uses=2]
@@ -14,6 +14,15 @@
 	call void @llvm.memcpy.i32( i8* %tmp219, i8* %memtmp20, i32 32, i32 16 )
 	%agg.result21 = bitcast { x86_fp80, x86_fp80 }* %agg.result to i8*		; <i8*> [#uses=1]
 	call void @llvm.memcpy.i32( i8* %agg.result21, i8* %tmp219, i32 32, i32 16 )
+
+; Check that one of the memcpy's are removed.
+;; FIXME: PR 8643 We should be able to eliminate the last memcpy here.
+
+; CHECK: @test1
+; CHECK: call void @ccoshl
+; CHECK: call @llvm.memcpy
+; CHECK-NOT: llvm.memcpy
+; CHECK: ret void
 	ret void
 }