| Justin Lebar | faaf2d2 | 2018-02-28 23:58:05 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=nvptx -mcpu=sm_35 | FileCheck %s |
| 2 | |
| 3 | ; Check load from constant global variables. These loads should be |
| 4 | ; ld.global.nc (aka ldg). |
| 5 | |
| 6 | @gv_float = external constant float |
| 7 | @gv_float2 = external constant <2 x float> |
| 8 | @gv_float4 = external constant <4 x float> |
| 9 | |
| 10 | ; CHECK-LABEL: test_gv_float() |
| 11 | define float @test_gv_float() { |
| 12 | ; CHECK: ld.global.nc.f32 |
| 13 | %v = load float, float* @gv_float |
| 14 | ret float %v |
| 15 | } |
| 16 | |
| 17 | ; CHECK-LABEL: test_gv_float2() |
| 18 | define <2 x float> @test_gv_float2() { |
| 19 | ; CHECK: ld.global.nc.v2.f32 |
| 20 | %v = load <2 x float>, <2 x float>* @gv_float2 |
| 21 | ret <2 x float> %v |
| 22 | } |
| 23 | |
| 24 | ; CHECK-LABEL: test_gv_float4() |
| 25 | define <4 x float> @test_gv_float4() { |
| 26 | ; CHECK: ld.global.nc.v4.f32 |
| 27 | %v = load <4 x float>, <4 x float>* @gv_float4 |
| 28 | ret <4 x float> %v |
| 29 | } |