23 lines
711 B
LLVM
23 lines
711 B
LLVM
; RUN: llc -O0 -march=amdgcn -mcpu=fiji -amdgpu-spill-sgpr-to-smem=1 -verify-machineinstrs -stop-before=prologepilog < %s
|
|
|
|
; Spill to SMEM clobbers M0. Check that the implicit-def dead operand is present
|
|
; in the pseudo instructions.
|
|
|
|
; CHECK-LABEL: {{^}}spill_sgpr:
|
|
; CHECK: SI_SPILL_S32_SAVE {{.*}}, implicit-def dead %m0
|
|
; CHECK: SI_SPILL_S32_RESTORE {{.*}}, implicit-def dead %m0
|
|
define amdgpu_kernel void @spill_sgpr(i32 addrspace(1)* %out, i32 %in) #0 {
|
|
%sgpr = call i32 asm sideeffect "; def $0", "=s" () #0
|
|
%cmp = icmp eq i32 %in, 0
|
|
br i1 %cmp, label %bb0, label %ret
|
|
|
|
bb0:
|
|
call void asm sideeffect "; use $0", "s"(i32 %sgpr) #0
|
|
br label %ret
|
|
|
|
ret:
|
|
ret void
|
|
}
|
|
|
|
attributes #0 = { nounwind }
|