| Evan Cheng | b1f4981 | 2009-12-22 17:47:23 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86-64 -mattr=+sse2 | FileCheck %s |
| Evan Cheng | 400073d | 2009-12-18 07:40:29 +0000 | [diff] [blame] | 2 | |
| 3 | define double @t1(float* nocapture %x) nounwind readonly ssp { |
| 4 | entry: |
| Evan Cheng | b1f4981 | 2009-12-22 17:47:23 +0000 | [diff] [blame] | 5 | ; CHECK: t1: |
| 6 | ; CHECK: movss (%rdi), %xmm0 |
| Benjamin Kramer | a2938e7 | 2010-06-26 20:05:06 +0000 | [diff] [blame^] | 7 | ; CHECK: cvtss2sd %xmm0, %xmm0 |
| Evan Cheng | 400073d | 2009-12-18 07:40:29 +0000 | [diff] [blame] | 8 | |
| Evan Cheng | 400073d | 2009-12-18 07:40:29 +0000 | [diff] [blame] | 9 | %0 = load float* %x, align 4 |
| 10 | %1 = fpext float %0 to double |
| 11 | ret double %1 |
| 12 | } |
| 13 | |
| Evan Cheng | b1f4981 | 2009-12-22 17:47:23 +0000 | [diff] [blame] | 14 | define float @t2(double* nocapture %x) nounwind readonly ssp optsize { |
| Evan Cheng | 400073d | 2009-12-18 07:40:29 +0000 | [diff] [blame] | 15 | entry: |
| Evan Cheng | b1f4981 | 2009-12-22 17:47:23 +0000 | [diff] [blame] | 16 | ; CHECK: t2: |
| Benjamin Kramer | a2938e7 | 2010-06-26 20:05:06 +0000 | [diff] [blame^] | 17 | ; CHECK: cvtsd2ss (%rdi), %xmm0 |
| Evan Cheng | 400073d | 2009-12-18 07:40:29 +0000 | [diff] [blame] | 18 | %0 = load double* %x, align 8 |
| 19 | %1 = fptrunc double %0 to float |
| 20 | ret float %1 |
| 21 | } |