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Testcases for MMX.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2007-04-24 22:28:30 +00:00
parent a2c38ae90d
commit b635d3faac
2 changed files with 37 additions and 0 deletions
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23
test/CodeGen/X86/mmx-insert-element.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+mmx | grep movq | wc -l | grep 3
; FIXME: This code outputs:
;
; subl $28, %esp
; movl 32(%esp), %eax
; movd %eax, %mm0
; movq %mm0, (%esp)
; movl (%esp), %eax
; movl %eax, 20(%esp)
; movq %mm0, 8(%esp)
; movl 12(%esp), %eax
; movl %eax, 16(%esp)
; movq 16(%esp), %mm0
; addl $28, %esp
;
; Which is ugly. We need to fix this.
define <2 x i32> @qux(i32 %A) {
entry:
%tmp3 = insertelement <2 x i32> < i32 0, i32 undef >, i32 %A, i32 1 ; <<2 x i32>> [#uses=1]
ret <2 x i32> %tmp3
}

14
test/CodeGen/X86/mmx-punpckhdq.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 -mattr=+mmx | grep punpckhdq | wc -l | grep 1
define void @bork(<1 x i64>* %x) {
entry:
%tmp2 = load <1 x i64>* %x ; <<1 x i64>> [#uses=1]
%tmp6 = bitcast <1 x i64> %tmp2 to <2 x i32> ; <<2 x i32>> [#uses=1]
%tmp9 = shufflevector <2 x i32> %tmp6, <2 x i32> undef, <2 x i32> < i32 1, i32 1 > ; <<2 x i32>> [#uses=1]
%tmp10 = bitcast <2 x i32> %tmp9 to <1 x i64> ; <<1 x i64>> [#uses=1]
store <1 x i64> %tmp10, <1 x i64>* %x
tail call void @llvm.x86.mmx.emms( )
ret void
}
declare void @llvm.x86.mmx.emms()