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>* %p) nounwind { 6 ; CHECK-LABEL: test1: 7 ; CHECK: # %bb.0: 8 ; CHECK-NEXT: pushl %eax 9 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 10 ; CHECK-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero 11 ; CHECK-NEXT: cvtsd2ss %xmm0, %xmm0 12 ; CHECK-NEXT: movss %xmm0, (%esp) 13 ; CHECK-NEXT: flds (%esp) 14 ; CHECK-NEXT: popl %eax 15 ; CHECK-NEXT: retl 16 ; 17 ; AVX-LABEL: test1: 18 ; AVX: # %bb.0: 19 ; AVX-NEXT: pushl %eax 20 ; AVX-NEXT: movl {{[0-9]+}}(%esp), %eax 21 ; AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero 22 ; AVX-NEXT: vcvtsd2ss %xmm0, %xmm0, %xmm0 23 ; AVX-NEXT: vmovss %xmm0, (%esp) 24 ; AVX-NEXT: flds (%esp) 25 ; AVX-NEXT: popl %eax 26 ; AVX-NEXT: retl 27 %x = load <1 x double>, <1 x double>* %p 28 %y = fptrunc <1 x double> %x to <1 x float> 29 ret <1 x float> %y 30 } 31 32 define <2 x float> @test2(<2 x double>* %p) nounwind { 33 ; CHECK-LABEL: test2: 34 ; CHECK: # %bb.0: 35 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 36 ; CHECK-NEXT: cvtpd2ps (%eax), %xmm0 37 ; CHECK-NEXT: retl 38 ; 39 ; AVX-LABEL: test2: 40 ; AVX: # %bb.0: 41 ; AVX-NEXT: movl {{[0-9]+}}(%esp), %eax 42 ; AVX-NEXT: vcvtpd2psx (%eax), %xmm0 43 ; AVX-NEXT: retl 44 %x = load <2 x double>, <2 x double>* %p 45 %y = fptrunc <2 x double> %x to <2 x float> 46 ret <2 x float> %y 47 } 48 49 define <4 x float> @test3(<4 x double>* %p) nounwind { 50 ; CHECK-LABEL: test3: 51 ; CHECK: # %bb.0: 52 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 53 ; CHECK-NEXT: cvtpd2ps 16(%eax), %xmm1 54 ; CHECK-NEXT: cvtpd2ps (%eax), %xmm0 55 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 56 ; CHECK-NEXT: retl 57 ; 58 ; AVX-LABEL: test3: 59 ; AVX: # %bb.0: 60 ; AVX-NEXT: movl {{[0-9]+}}(%esp), %eax 61 ; AVX-NEXT: vcvtpd2psy (%eax), %xmm0 62 ; AVX-NEXT: retl 63 %x = load <4 x double>, <4 x double>* %p 64 %y = fptrunc <4 x double> %x to <4 x float> 65 ret <4 x float> %y 66 } 67 68 define <8 x float> @test4(<8 x double>* %p) nounwind { 69 ; CHECK-LABEL: test4: 70 ; CHECK: # %bb.0: 71 ; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax 72 ; CHECK-NEXT: cvtpd2ps 16(%eax), %xmm1 73 ; CHECK-NEXT: cvtpd2ps (%eax), %xmm0 74 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0] 75 ; CHECK-NEXT: cvtpd2ps 48(%eax), %xmm2 76 ; CHECK-NEXT: cvtpd2ps 32(%eax), %xmm1 77 ; CHECK-NEXT: unpcklpd {{.*#+}} xmm1 = xmm1[0],xmm2[0] 78 ; CHECK-NEXT: retl 79 ; 80 ; AVX-LABEL: test4: 81 ; AVX: # %bb.0: 82 ; AVX-NEXT: movl {{[0-9]+}}(%esp), %eax 83 ; AVX-NEXT: vcvtpd2psy (%eax), %xmm0 84 ; AVX-NEXT: vcvtpd2psy 32(%eax), %xmm1 85 ; AVX-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 86 ; AVX-NEXT: retl 87 %x = load <8 x double>, <8 x double>* %p 88 %y = fptrunc <8 x double> %x to <8 x float> 89 ret <8 x float> %y 90 } 91 92 93