mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-01 08:23:21 +01:00
d22a5f6314
a load/store of i64. The later prevents promotion/scalarrepl of the source and dest in many cases. This fixes the 300% performance regression of the byval stuff on stepanov_v1p2. llvm-svn: 45945
15 lines
609 B
LLVM
15 lines
609 B
LLVM
; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {load double}
|
|
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-darwin8"
|
|
|
|
define void @foo(double* %X, double* %Y) {
|
|
entry:
|
|
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
|
|
%tmp2 = bitcast double* %X to i8* ; <i8*> [#uses=1]
|
|
%tmp13 = bitcast double* %Y to i8* ; <i8*> [#uses=1]
|
|
call void @llvm.memcpy.i32( i8* %tmp2, i8* %tmp13, i32 8, i32 1 )
|
|
ret void
|
|
}
|
|
|
|
declare void @llvm.memcpy.i32(i8*, i8*, i32, i32) nounwind
|