51 lines
1.4 KiB
LLVM
51 lines
1.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown -mattr=+sse2,+mmx | FileCheck %s
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; Originally from PR2687, but things don't work that way any more.
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; there are no MMX instructions here; we use XMM.
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define <2 x double> @a(<2 x i32> %x) nounwind {
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; CHECK-LABEL: a:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cvtdq2pd %xmm0, %xmm0
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; CHECK-NEXT: retl
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entry:
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%y = sitofp <2 x i32> %x to <2 x double>
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ret <2 x double> %y
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}
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define <2 x i32> @b(<2 x double> %x) nounwind {
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; CHECK-LABEL: b:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cvttpd2dq %xmm0, %xmm0
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; CHECK-NEXT: retl
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entry:
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%y = fptosi <2 x double> %x to <2 x i32>
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ret <2 x i32> %y
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}
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; This is how to get MMX instructions.
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define <2 x double> @a2(x86_mmx %x) nounwind {
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; CHECK-LABEL: a2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cvtpi2pd %mm0, %xmm0
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; CHECK-NEXT: retl
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entry:
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%y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x)
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ret <2 x double> %y
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}
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define x86_mmx @b2(<2 x double> %x) nounwind {
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; CHECK-LABEL: b2:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: cvttpd2pi %xmm0, %mm0
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; CHECK-NEXT: retl
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entry:
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%y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x)
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ret x86_mmx %y
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}
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declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx)
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declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>)
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