1# RUN: llc -run-pass postrapseudos -mtriple=x86_64-unknown-unknown -mattr=+3dnow -o - %s | FileCheck %s 2# This test verifies that the ExpandPostRA pass expands the GR64 <-> VR64 3# copies into appropriate MMX_MOV instructions. 4 5--- | 6 7 define <2 x i32> @test_pswapdsi(<2 x i32> %a) nounwind readnone { 8 entry: 9 %0 = bitcast <2 x i32> %a to x86_mmx 10 %1 = tail call x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx %0) 11 %2 = bitcast x86_mmx %1 to <2 x i32> 12 ret <2 x i32> %2 13 } 14 15 declare x86_mmx @llvm.x86.3dnowa.pswapd(x86_mmx) nounwind readnone 16 17... 18--- 19name: test_pswapdsi 20tracksRegLiveness: true 21body: | 22 bb.0.entry: 23 liveins: $xmm0 24 25 $xmm0 = PSHUFDri killed $xmm0, -24 26 MOVPQI2QImr $rsp, 1, $noreg, -8, $noreg, killed $xmm0 27 $mm0 = PSWAPDrm $rsp, 1, $noreg, -8, $noreg 28 ; CHECK: $rax = MMX_MOVD64from64rr $mm0 29 ; CHECK-NEXT: $mm0 = MMX_MOVD64to64rr $rax 30 $rax = COPY $mm0 31 $mm0 = COPY $rax 32 MMX_MOVQ64mr $rsp, 1, $noreg, -16, $noreg, killed $mm0 33 $xmm0 = MOVQI2PQIrm $rsp, 1, $noreg, -16, $noreg 34 $xmm0 = PSHUFDri killed $xmm0, -44 35 RETQ $xmm0 36... 37