| ; RUN: llc < %s -march=nvptx64 -mcpu=sm_35 | FileCheck %s |
| |
| ; Check that invariant loads from the global addrspace are lowered to |
| ; ld.global.nc. |
| |
| ; CHECK-LABEL: @ld_global |
| define i32 @ld_global(i32 addrspace(1)* %ptr) { |
| ; CHECK: ld.global.nc.{{[a-z]}}32 |
| %a = load i32, i32 addrspace(1)* %ptr, !invariant.load !0 |
| ret i32 %a |
| } |
| |
| ; CHECK-LABEL: @ld_global_v2i32 |
| define i32 @ld_global_v2i32(<2 x i32> addrspace(1)* %ptr) { |
| ; CHECK: ld.global.nc.v2.{{[a-z]}}32 |
| %a = load <2 x i32>, <2 x i32> addrspace(1)* %ptr, !invariant.load !0 |
| %v1 = extractelement <2 x i32> %a, i32 0 |
| %v2 = extractelement <2 x i32> %a, i32 1 |
| %sum = add i32 %v1, %v2 |
| ret i32 %sum |
| } |
| |
| ; CHECK-LABEL: @ld_global_v4i32 |
| define i32 @ld_global_v4i32(<4 x i32> addrspace(1)* %ptr) { |
| ; CHECK: ld.global.nc.v4.{{[a-z]}}32 |
| %a = load <4 x i32>, <4 x i32> addrspace(1)* %ptr, !invariant.load !0 |
| %v1 = extractelement <4 x i32> %a, i32 0 |
| %v2 = extractelement <4 x i32> %a, i32 1 |
| %v3 = extractelement <4 x i32> %a, i32 2 |
| %v4 = extractelement <4 x i32> %a, i32 3 |
| %sum1 = add i32 %v1, %v2 |
| %sum2 = add i32 %v3, %v4 |
| %sum3 = add i32 %sum1, %sum2 |
| ret i32 %sum3 |
| } |
| |
| ; CHECK-LABEL: @ld_not_invariant |
| define i32 @ld_not_invariant(i32 addrspace(1)* %ptr) { |
| ; CHECK: ld.global.{{[a-z]}}32 |
| %a = load i32, i32 addrspace(1)* %ptr |
| ret i32 %a |
| } |
| |
| ; CHECK-LABEL: @ld_not_global_addrspace |
| define i32 @ld_not_global_addrspace(i32 addrspace(0)* %ptr) { |
| ; CHECK: ld.{{[a-z]}}32 |
| %a = load i32, i32 addrspace(0)* %ptr |
| ret i32 %a |
| } |
| |
| !0 = !{} |