llvm-project/llvm/test/CodeGen/AMDGPU/inlineasm-16-true16.ll
Brox Chen 7f62800fb8
[AMDGPU][True16][CodeGen] select vgpr16 for asm inline 16bit vreg (#140946)
select vgpr16 for asm inline 16bit vreg in true16 mode
2025-05-21 17:47:28 -04:00

92 lines
2.8 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -mattr=+real-true16 < %s | FileCheck -enable-var-scope -check-prefixes=GFX11 %s
define amdgpu_kernel void @s_input_output_i16() #0 {
; GFX11-LABEL: s_input_output_i16:
; GFX11: ; %bb.0:
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: s_mov_b32 s0, -1
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_and_b32 s0, s0, 0xffff
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use s0
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
%v = tail call i16 asm sideeffect "s_mov_b32 $0, -1", "=s"()
tail call void asm sideeffect "; use $0", "s"(i16 %v) #0
ret void
}
define amdgpu_kernel void @s_input_output_f16() #0 {
; GFX11-LABEL: s_input_output_f16:
; GFX11: ; %bb.0:
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: s_mov_b32 s0, -1
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use s0
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
%v = tail call half asm sideeffect "s_mov_b32 $0, -1", "=s"() #0
tail call void asm sideeffect "; use $0", "s"(half %v)
ret void
}
define amdgpu_kernel void @v_input_output_f16() #0 {
; GFX11-LABEL: v_input_output_f16:
; GFX11: ; %bb.0:
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: v_mov_b16 v0.l, -1
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use v0.l
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
%v = tail call half asm sideeffect "v_mov_b16 $0, -1", "=v"() #0
tail call void asm sideeffect "; use $0", "v"(half %v)
ret void
}
define amdgpu_kernel void @v_input_output_i16() #0 {
; GFX11-LABEL: v_input_output_i16:
; GFX11: ; %bb.0:
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: v_mov_b16 v0.l, -1
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use v0.l
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
%v = tail call i16 asm sideeffect "v_mov_b16 $0, -1", "=v"() #0
tail call void asm sideeffect "; use $0", "v"(i16 %v)
ret void
}
define amdgpu_kernel void @i16_imm_input_phys_vgpr_lo() {
; GFX11-LABEL: i16_imm_input_phys_vgpr_lo:
; GFX11: ; %bb.0: ; %entry
; GFX11-NEXT: v_mov_b16_e32 v0.l, -1
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use v0.l
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
entry:
call void asm sideeffect "; use $0 ", "{v0.l}"(i16 65535)
ret void
}
define amdgpu_kernel void @i16_imm_input_phys_vgpr_hi() {
; GFX11-LABEL: i16_imm_input_phys_vgpr_hi:
; GFX11: ; %bb.0: ; %entry
; GFX11-NEXT: v_mov_b16_e32 v0.h, -1
; GFX11-NEXT: ;;#ASMSTART
; GFX11-NEXT: ; use v0.h
; GFX11-NEXT: ;;#ASMEND
; GFX11-NEXT: s_endpgm
entry:
call void asm sideeffect "; use $0 ", "{v0.h}"(i16 65535)
ret void
}
attributes #0 = { nounwind }