1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2 ; RUN: llc < %s -mtriple=i686-pc-linux-gnu -mcpu=corei7 | FileCheck %s 3 ; RUN: llc < %s -mtriple=i686-pc-linux-gnu -mcpu=core-avx-i | FileCheck %s --check-prefix=AVX 4 5 define <1 x float> @test1(<1 x double> %x) nounwind { 6 ; CHECK-LABEL: test1: 7 ; CHECK: # %bb.0: 8 ; CHECK-NEXT: pushl %eax 9 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero 10 ; CHECK-NEXT: cvtsd2ss %xmm0, %xmm0 11 ; CHECK-NEXT: movss %xmm0, (%esp) 12 ; CHECK-NEXT: flds (%esp) 13 ; CHECK-NEXT: popl %eax 14 ; CHECK-NEXT: retl 15 ; 16 ; AVX-LABEL: test1: 17 ; AVX: # %bb.0: 18 ; AVX-NEXT: pushl %eax 19 ; AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero 20 ; AVX-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0 21 ; AVX-NEXT: vmovss %xmm0, (%esp) 22 ; AVX-NEXT: flds (%esp) 23 ; AVX-NEXT: popl %eax 24 ; AVX-NEXT: retl 25 %y = fptrunc <1 x double> %x to <1 x float> 26 ret <1 x float> %y 27 } 28 29 define <2 x float> @test2(<2 x double> %x) nounwind { 30 ; CHECK-LABEL: test2: 31 ; CHECK: # %bb.0: 32 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 33 ; CHECK-NEXT: retl 34 ; 35 ; AVX-LABEL: test2: 36 ; AVX: # %bb.0: 37 ; AVX-NEXT: vcvtpd2ps %xmm0, %xmm0 38 ; AVX-NEXT: retl 39 %y = fptrunc <2 x double> %x to <2 x float> 40 ret <2 x float> %y 41 } 42 43 define <4 x float> @test3(<4 x double> %x) nounwind { 44 ; CHECK-LABEL: test3: 45 ; CHECK: # %bb.0: 46 ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 47 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 48 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 49 ; CHECK-NEXT: retl 50 ; 51 ; AVX-LABEL: test3: 52 ; AVX: # %bb.0: 53 ; AVX-NEXT: vcvtpd2ps %ymm0, %xmm0 54 ; AVX-NEXT: vzeroupper 55 ; AVX-NEXT: retl 56 %y = fptrunc <4 x double> %x to <4 x float> 57 ret <4 x float> %y 58 } 59 60 define <8 x float> @test4(<8 x double> %x) nounwind { 61 ; CHECK-LABEL: test4: 62 ; CHECK: # %bb.0: 63 ; CHECK-NEXT: subl $12, %esp 64 ; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1 65 ; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0 66 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 67 ; CHECK-NEXT: cvtpd2ps %xmm2, %xmm1 68 ; CHECK-NEXT: cvtpd2ps {{[0-9]+}}(%esp), %xmm2 69 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0] 70 ; CHECK-NEXT: addl $12, %esp 71 ; CHECK-NEXT: retl 72 ; 73 ; AVX-LABEL: test4: 74 ; AVX: # %bb.0: 75 ; AVX-NEXT: vcvtpd2ps %ymm0, %xmm0 76 ; AVX-NEXT: vcvtpd2ps %ymm1, %xmm1 77 ; AVX-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 78 ; AVX-NEXT: retl 79 %y = fptrunc <8 x double> %x to <8 x float> 80 ret <8 x float> %y 81 } 82 83 84
