forked from OSchip/llvm-project
91 lines
2.6 KiB
LLVM
91 lines
2.6 KiB
LLVM
; RUN: llc < %s -march=amdgcn -mcpu=gfx900 -verify-machineinstrs | FileCheck %s --check-prefix=GCN
|
|
; RUN: llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
|
|
|
|
; GCN-LABEL: {{^}}full_mask:
|
|
; GCN: s_mov_b64 exec, -1
|
|
; GCN: v_add_f32_e32 v0,
|
|
define amdgpu_ps float @full_mask(float %a, float %b) {
|
|
main_body:
|
|
%s = fadd float %a, %b
|
|
call void @llvm.amdgcn.init.exec(i64 -1)
|
|
ret float %s
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}partial_mask:
|
|
; GCN: s_mov_b64 exec, 0x1e240
|
|
; GCN: v_add_f32_e32 v0,
|
|
define amdgpu_ps float @partial_mask(float %a, float %b) {
|
|
main_body:
|
|
%s = fadd float %a, %b
|
|
call void @llvm.amdgcn.init.exec(i64 123456)
|
|
ret float %s
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}input_s3off8:
|
|
; GCN: s_bfe_u32 s0, s3, 0x70008
|
|
; GCN: s_bfm_b64 exec, s0, 0
|
|
; GCN: s_cmp_eq_u32 s0, 64
|
|
; GCN: s_cmov_b64 exec, -1
|
|
; GCN: v_add_f32_e32 v0,
|
|
define amdgpu_ps float @input_s3off8(i32 inreg, i32 inreg, i32 inreg, i32 inreg %count, float %a, float %b) {
|
|
main_body:
|
|
%s = fadd float %a, %b
|
|
call void @llvm.amdgcn.init.exec.from.input(i32 %count, i32 8)
|
|
ret float %s
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}input_s0off19:
|
|
; GCN: s_bfe_u32 s0, s0, 0x70013
|
|
; GCN: s_bfm_b64 exec, s0, 0
|
|
; GCN: s_cmp_eq_u32 s0, 64
|
|
; GCN: s_cmov_b64 exec, -1
|
|
; GCN: v_add_f32_e32 v0,
|
|
define amdgpu_ps float @input_s0off19(i32 inreg %count, float %a, float %b) {
|
|
main_body:
|
|
%s = fadd float %a, %b
|
|
call void @llvm.amdgcn.init.exec.from.input(i32 %count, i32 19)
|
|
ret float %s
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}reuse_input:
|
|
; GCN: s_bfe_u32 s1, s0, 0x70013
|
|
; GCN: s_bfm_b64 exec, s1, 0
|
|
; GCN: s_cmp_eq_u32 s1, 64
|
|
; GCN: s_cmov_b64 exec, -1
|
|
; GCN: v_add{{(_nc)?}}_u32_e32 v0, s0, v0
|
|
define amdgpu_ps float @reuse_input(i32 inreg %count, i32 %a) {
|
|
main_body:
|
|
call void @llvm.amdgcn.init.exec.from.input(i32 %count, i32 19)
|
|
%s = add i32 %a, %count
|
|
%f = sitofp i32 %s to float
|
|
ret float %f
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}reuse_input2:
|
|
; GCN: s_bfe_u32 s1, s0, 0x70013
|
|
; GCN: s_bfm_b64 exec, s1, 0
|
|
; GCN: s_cmp_eq_u32 s1, 64
|
|
; GCN: s_cmov_b64 exec, -1
|
|
; GCN: v_add{{(_nc)?}}_u32_e32 v0, s0, v0
|
|
define amdgpu_ps float @reuse_input2(i32 inreg %count, i32 %a) {
|
|
main_body:
|
|
%s = add i32 %a, %count
|
|
%f = sitofp i32 %s to float
|
|
call void @llvm.amdgcn.init.exec.from.input(i32 %count, i32 19)
|
|
ret float %f
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}init_unreachable:
|
|
;
|
|
; This used to crash.
|
|
define amdgpu_ps void @init_unreachable() {
|
|
main_body:
|
|
call void @llvm.amdgcn.init.exec(i64 -1)
|
|
unreachable
|
|
}
|
|
|
|
declare void @llvm.amdgcn.init.exec(i64) #1
|
|
declare void @llvm.amdgcn.init.exec.from.input(i32, i32) #1
|
|
|
|
attributes #1 = { convergent }
|