xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/2008-09-05-sinttofp-2xi32.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1; RUN: llc < %s -march=x86 -mattr=+sse2,+mmx | FileCheck %s
2; originally from PR2687, but things don't work that way any more.
3; there are no MMX instructions here; we use XMM.
4
5define <2 x double> @a(<2 x i32> %x) nounwind {
6entry:
7; CHECK-LABEL: a
8; CHECK-NOT: unpcklpd
9  %y = sitofp <2 x i32> %x to <2 x double>
10  ret <2 x double> %y
11}
12
13define <2 x i32> @b(<2 x double> %x) nounwind {
14entry:
15; CHECK-LABEL: b
16; CHECK-NOT: unpckhpd
17  %y = fptosi <2 x double> %x to <2 x i32>
18  ret <2 x i32> %y
19}
20
21; This is how to get MMX instructions.
22
23define <2 x double> @a2(x86_mmx %x) nounwind {
24entry:
25; CHECK-LABEL: a2
26; CHECK: cvtpi2pd
27; CHECK-NOT: cvtpi2pd
28  %y = tail call <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx %x)
29  ret <2 x double> %y
30}
31
32define x86_mmx @b2(<2 x double> %x) nounwind {
33entry:
34; CHECK-LABEL: b2
35; CHECK: cvttpd2pi
36; CHECK-NOT: cvttpd2pi
37  %y = tail call x86_mmx @llvm.x86.sse.cvttpd2pi (<2 x double> %x)
38  ret x86_mmx %y
39}
40
41declare <2 x double> @llvm.x86.sse.cvtpi2pd(x86_mmx)
42declare x86_mmx @llvm.x86.sse.cvttpd2pi(<2 x double>)
43