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view llvm/test/CodeGen/AMDGPU/select-i1.ll @ 223:5f17cb93ff66 llvm-original
LLVM13 (2021/7/18)
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sun, 18 Jul 2021 22:43:00 +0900 |
parents | 79ff65ed7e25 |
children | c4bab56944e8 |
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; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s ; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN %s ; FIXME: This should go in existing select.ll test, except the current testcase there is broken on GCN ; GCN-LABEL: {{^}}select_i1: ; GCN: v_cndmask_b32 ; GCN-NOT: v_cndmask_b32 define amdgpu_kernel void @select_i1(i1 addrspace(1)* %out, i32 %cond, i1 %a, i1 %b) nounwind { %cmp = icmp ugt i32 %cond, 5 %sel = select i1 %cmp, i1 %a, i1 %b store i1 %sel, i1 addrspace(1)* %out, align 4 ret void } ; GCN-LABEL: {{^}}s_minmax_i1: ; GCN: s_load_dword [[LOAD:s[0-9]+]], ; GCN-DAG: s_lshr_b32 [[A:s[0-9]+]], [[LOAD]], 8 ; GCN-DAG: s_lshr_b32 [[B:s[0-9]+]], [[LOAD]], 16 ; GCN-DAG: s_and_b32 [[COND:s[0-9]+]], 1, [[LOAD]] ; GCN: v_mov_b32_e32 [[V_B:v[0-9]+]], [[B]] ; GCN: v_mov_b32_e32 [[V_A:v[0-9]+]], [[A]] ; GCN: v_cmp_eq_u32_e64 vcc, [[COND]], 1 ; GCN: v_cndmask_b32_e32 [[SEL:v[0-9]+]], [[V_B]], [[V_A]] ; GCN: v_and_b32_e32 v{{[0-9]+}}, 1, [[SEL]] define amdgpu_kernel void @s_minmax_i1(i1 addrspace(1)* %out, [8 x i32], i1 zeroext %cond, i1 zeroext %a, i1 zeroext %b) nounwind { %cmp = icmp slt i1 %cond, false %sel = select i1 %cmp, i1 %a, i1 %b store i1 %sel, i1 addrspace(1)* %out, align 4 ret void }