28 lines
1.0 KiB
LLVM
28 lines
1.0 KiB
LLVM
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; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | grep mm0 | count 1
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; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+mmx | grep esp | count 2
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | grep xmm0
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | grep rdi
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; RUN: llc < %s -mtriple=x86_64-apple-darwin -mattr=+mmx,+sse2 | not grep movups
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;
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; On Darwin x86-32, v8i8, v4i16, v2i32 values are passed in MM[0-2].
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; On Darwin x86-32, v1i64 values are passed in memory. In this example, they
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; are never moved into an MM register at all.
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; On Darwin x86-64, v8i8, v4i16, v2i32 values are passed in XMM[0-7].
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; On Darwin x86-64, v1i64 values are passed in 64-bit GPRs.
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@u1 = external global x86_mmx
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define void @t1(x86_mmx %v1) nounwind {
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store x86_mmx %v1, x86_mmx* @u1, align 8
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ret void
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}
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@u2 = external global x86_mmx
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define void @t2(<1 x i64> %v1) nounwind {
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%tmp = bitcast <1 x i64> %v1 to x86_mmx
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store x86_mmx %tmp, x86_mmx* @u2, align 8
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ret void
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}
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