mirror of
https://github.com/RPCS3/llvm.git
synced 2024-11-28 14:10:55 +00:00
0e5e821a69
This is the same as the other tests: Clever tricks are required to make the arguments and return value line up in a single-instruction function. It rarely happens in real life. We have plenty other examples of this behavior. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157030 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
1.0 KiB
LLVM
29 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-linux -mcpu=nehalem | FileCheck %s
|
|
; CHECK-NOT: mov
|
|
; CHECK: paddw
|
|
; CHECK-NOT: mov
|
|
; CHECK: paddw
|
|
; CHECK-NOT: paddw
|
|
; CHECK-NOT: mov
|
|
|
|
; The 2-addr pass should ensure that identical code is produced for these functions
|
|
; no extra copy should be generated.
|
|
|
|
define <2 x i64> @test1(<2 x i64> %x, <2 x i64> %y) nounwind {
|
|
entry:
|
|
%tmp6 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]
|
|
%tmp8 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]
|
|
%tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]
|
|
%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]
|
|
ret <2 x i64> %tmp10
|
|
}
|
|
|
|
define <2 x i64> @test2(<2 x i64> %x, <2 x i64> %y) nounwind {
|
|
entry:
|
|
%tmp6 = bitcast <2 x i64> %x to <8 x i16> ; <<8 x i16>> [#uses=1]
|
|
%tmp8 = bitcast <2 x i64> %y to <8 x i16> ; <<8 x i16>> [#uses=1]
|
|
%tmp9 = add <8 x i16> %tmp8, %tmp6 ; <<8 x i16>> [#uses=1]
|
|
%tmp10 = bitcast <8 x i16> %tmp9 to <2 x i64> ; <<2 x i64>> [#uses=1]
|
|
ret <2 x i64> %tmp10
|
|
}
|