| Tom Stellard | 49f8bfd | 2015-01-06 18:00:21 +0000 | [diff] [blame] | 1 | ; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s |
| Marek Olsak | fa6607d | 2015-02-11 14:26:46 +0000 | [diff] [blame] | 2 | ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=FUNC %s |
| Matt Arsenault | 257d48d | 2014-06-24 22:13:39 +0000 | [diff] [blame] | 3 | ; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s |
| 4 | |
| 5 | |
| 6 | declare float @llvm.AMDGPU.rsq.clamped.f32(float) nounwind readnone |
| 7 | |
| Tom Stellard | 79243d9 | 2014-10-01 17:15:17 +0000 | [diff] [blame] | 8 | ; FUNC-LABEL: {{^}}rsq_clamped_f32: |
| Tom Stellard | 326d6ec | 2014-11-05 14:50:53 +0000 | [diff] [blame] | 9 | ; SI: v_rsq_clamp_f32_e32 |
| Marek Olsak | fa6607d | 2015-02-11 14:26:46 +0000 | [diff] [blame] | 10 | |
| 11 | ; VI: v_rsq_f32_e32 [[RSQ:v[0-9]+]], {{s[0-9]+}} |
| 12 | ; VI: v_min_f32_e32 [[MIN:v[0-9]+]], 0x7f7fffff, [[RSQ]] |
| 13 | ; TODO: this constant should be folded: |
| 14 | ; VI: v_mov_b32_e32 [[MINFLT:v[0-9]+]], 0xff7fffff |
| 15 | ; VI: v_max_f32_e32 {{v[0-9]+}}, [[MIN]], [[MINFLT]] |
| 16 | |
| Matt Arsenault | 257d48d | 2014-06-24 22:13:39 +0000 | [diff] [blame] | 17 | ; EG: RECIPSQRT_CLAMPED |
| Marek Olsak | fa6607d | 2015-02-11 14:26:46 +0000 | [diff] [blame] | 18 | |
| Matt Arsenault | 257d48d | 2014-06-24 22:13:39 +0000 | [diff] [blame] | 19 | define void @rsq_clamped_f32(float addrspace(1)* %out, float %src) nounwind { |
| 20 | %rsq_clamped = call float @llvm.AMDGPU.rsq.clamped.f32(float %src) nounwind readnone |
| 21 | store float %rsq_clamped, float addrspace(1)* %out, align 4 |
| 22 | ret void |
| 23 | } |