diff options
Diffstat (limited to 'test/CodeGen/R600/select64.ll')
| -rw-r--r-- | test/CodeGen/R600/select64.ll | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/test/CodeGen/R600/select64.ll b/test/CodeGen/R600/select64.ll index 8de34d5..0245dae 100644 --- a/test/CodeGen/R600/select64.ll +++ b/test/CodeGen/R600/select64.ll @@ -1,4 +1,5 @@ -; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s +; RUN: llc < %s -march=amdgcn -mcpu=SI -verify-machineinstrs | FileCheck %s +; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s ; CHECK-LABEL: {{^}}select0: ; i64 select should be split into two i32 selects, and we shouldn't need @@ -48,3 +49,20 @@ define void @v_select_trunc_i64_2(i32 addrspace(1)* %out, i32 %cond, i64 addrspa store i32 %trunc, i32 addrspace(1)* %out, align 4 ret void } + +; CHECK-LABEL: {{^}}v_select_i64_split_imm: +; CHECK: s_mov_b32 [[SHI:s[0-9]+]], 63 +; CHECK: s_mov_b32 [[SLO:s[0-9]+]], 0 +; CHECK-DAG: v_mov_b32_e32 [[VHI:v[0-9]+]], [[SHI]] +; CHECK-DAG: v_mov_b32_e32 [[VLO:v[0-9]+]], [[SLO]] +; CHECK-DAG: v_cndmask_b32_e64 {{v[0-9]+}}, [[VLO]], {{v[0-9]+}} +; CHECK-DAG: v_cndmask_b32_e64 {{v[0-9]+}}, [[VHI]], {{v[0-9]+}} +; CHECK: s_endpgm +define void @v_select_i64_split_imm(i64 addrspace(1)* %out, i32 %cond, i64 addrspace(1)* %aptr, i64 addrspace(1)* %bptr) nounwind { + %cmp = icmp ugt i32 %cond, 5 + %a = load i64 addrspace(1)* %aptr, align 8 + %b = load i64 addrspace(1)* %bptr, align 8 + %sel = select i1 %cmp, i64 %a, i64 270582939648 ; 63 << 32 + store i64 %sel, i64 addrspace(1)* %out, align 8 + ret void +} |