1 # RUN: llc -run-pass postrapseudos -mtriple=x86_64-unknown-unknown -mattr=+3dnow -o /dev/null %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 --- 19 name: test_pswapdsi 20 tracksRegLiveness: true 21 body: | 22 bb.0.entry: 23 liveins: %xmm0 24 25 %xmm0 = PSHUFDri killed %xmm0, -24 26 MOVPQI2QImr %rsp, 1, _, -8, _, killed %xmm0 27 %mm0 = PSWAPDrm %rsp, 1, _, -8, _ 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, _, -16, _, killed %mm0 33 %xmm0 = MOVQI2PQIrm %rsp, 1, _, -16, _ 34 %xmm0 = PSHUFDri killed %xmm0, -44 35 RETQ %xmm0 36 ... 37
