1 ; RUN: llc < %s -mtriple=x86_64-linux -mattr=+sse2 | FileCheck %s 2 ; RUN: llc < %s -mtriple=x86_64-win32 -mattr=+sse2 | FileCheck %s 3 4 define double @t1(float* nocapture %x) nounwind readonly ssp { 5 entry: 6 ; CHECK: t1: 7 ; CHECK: movss ([[A0:%rdi|%rcx]]), %xmm0 8 ; CHECK: cvtss2sd %xmm0, %xmm0 9 10 %0 = load float* %x, align 4 11 %1 = fpext float %0 to double 12 ret double %1 13 } 14 15 define float @t2(double* nocapture %x) nounwind readonly ssp optsize { 16 entry: 17 ; CHECK: t2: 18 ; CHECK: cvtsd2ss ([[A0]]), %xmm0 19 %0 = load double* %x, align 8 20 %1 = fptrunc double %0 to float 21 ret float %1 22 } 23 24 define float @squirtf(float* %x) nounwind { 25 entry: 26 ; CHECK: squirtf: 27 ; CHECK: movss ([[A0]]), %xmm0 28 ; CHECK: sqrtss %xmm0, %xmm0 29 %z = load float* %x 30 %t = call float @llvm.sqrt.f32(float %z) 31 ret float %t 32 } 33 34 define double @squirt(double* %x) nounwind { 35 entry: 36 ; CHECK: squirt: 37 ; CHECK: movsd ([[A0]]), %xmm0 38 ; CHECK: sqrtsd %xmm0, %xmm0 39 %z = load double* %x 40 %t = call double @llvm.sqrt.f64(double %z) 41 ret double %t 42 } 43 44 define float @squirtf_size(float* %x) nounwind optsize { 45 entry: 46 ; CHECK: squirtf_size: 47 ; CHECK: sqrtss ([[A0]]), %xmm0 48 %z = load float* %x 49 %t = call float @llvm.sqrt.f32(float %z) 50 ret float %t 51 } 52 53 define double @squirt_size(double* %x) nounwind optsize { 54 entry: 55 ; CHECK: squirt_size: 56 ; CHECK: sqrtsd ([[A0]]), %xmm0 57 %z = load double* %x 58 %t = call double @llvm.sqrt.f64(double %z) 59 ret double %t 60 } 61 62 declare float @llvm.sqrt.f32(float) 63 declare double @llvm.sqrt.f64(double) 64
