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Testcase for MMX int to MMX register failure. 

llvm-svn: 37612
This commit is contained in:
Bill Wendling 2007-06-16 06:31:47 +00:00
parent cd9673e565
commit c8f293b4f9
1 changed files with 17 additions and 0 deletions
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llvm/test/CodeGen/X86/2007-06-15-IntToMMX.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86-64 -mattr=+mmx | grep paddusw
@R = external global <1 x i64> ; <<1 x i64>*> [#uses=1]
define void @foo(<1 x i64> %A, <1 x i64> %B) {
entry:
%tmp4 = bitcast <1 x i64> %B to <4 x i16> ; <<4 x i16>> [#uses=1]
%tmp6 = bitcast <1 x i64> %A to <4 x i16> ; <<4 x i16>> [#uses=1]
%tmp7 = tail call <4 x i16> @llvm.x86.mmx.paddus.w( <4 x i16> %tmp6, <4 x i16> %tmp4 ) ; <<4 x i16>> [#uses=1]
%tmp8 = bitcast <4 x i16> %tmp7 to <1 x i64> ; <<1 x i64>> [#uses=1]
store <1 x i64> %tmp8, <1 x i64>* @R
tail call void @llvm.x86.mmx.emms( )
ret void
}
declare <4 x i16> @llvm.x86.mmx.paddus.w(<4 x i16>, <4 x i16>)
declare void @llvm.x86.mmx.emms()