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filecheckize, this is still not optimal, see PR8643

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llvm-svn: 119693
This commit is contained in:
Chris Lattner 2010-11-18 07:49:32 +00:00
parent eb29c52bce
commit 1000d06bee
1 changed files with 10 additions and 1 deletions
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11
test/Transforms/MemCpyOpt/memcpy.ll
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@ -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 @@ entry:
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
}