Mercurial > hg > Members > tobaru > cbc > CbC_llvm
view test/CodeGen/X86/coalescer-commute2.ll @ 33:e4204d083e25
LLVM 3.5
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Thu, 12 Dec 2013 14:32:10 +0900 |
parents | 95c75e76d11b |
children |
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; 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 }