| ; XFAIL: * |
| ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=SI -mattr=-promote-alloca < %s | FileCheck -check-prefix=SI %s |
| ; RUN: llc -verify-machineinstrs -march=amdgcn -mcpu=tonga -mattr=-promote-alloca < %s | FileCheck -check-prefix=SI %s |
| |
| ; 64-bit select was originally lowered with a build_pair, and this |
| ; could be simplified to 1 cndmask instead of 2, but that broken when |
| ; it started being implemented with a v2i32 build_vector and |
| ; bitcasting. |
| define void @trunc_select_i64(i32 addrspace(1)* %out, i64 %a, i64 %b, i32 %c) { |
| %cmp = icmp eq i32 %c, 0 |
| %select = select i1 %cmp, i64 %a, i64 %b |
| %trunc = trunc i64 %select to i32 |
| store i32 %trunc, i32 addrspace(1)* %out, align 4 |
| ret void |
| } |
| |
| ; FIXME: Fix truncating store for local memory |
| ; SI-LABEL: {{^}}trunc_load_alloca_i64: |
| ; SI: v_movrels_b32 |
| ; SI-NOT: v_movrels_b32 |
| ; SI: s_endpgm |
| define void @trunc_load_alloca_i64(i64 addrspace(1)* %out, i32 %a, i32 %b) { |
| %idx = add i32 %a, %b |
| %alloca = alloca i64, i32 4 |
| %gep0 = getelementptr i64, i64* %alloca, i64 0 |
| %gep1 = getelementptr i64, i64* %alloca, i64 1 |
| %gep2 = getelementptr i64, i64* %alloca, i64 2 |
| %gep3 = getelementptr i64, i64* %alloca, i64 3 |
| store i64 24, i64* %gep0, align 8 |
| store i64 9334, i64* %gep1, align 8 |
| store i64 3935, i64* %gep2, align 8 |
| store i64 9342, i64* %gep3, align 8 |
| %gep = getelementptr i64, i64* %alloca, i32 %idx |
| %load = load i64, i64* %gep, align 8 |
| %mask = and i64 %load, 4294967296 |
| %add = add i64 %mask, -1 |
| store i64 %add, i64 addrspace(1)* %out, align 4 |
| ret void |
| } |