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      1 ; RUN: llc -O0 -march=amdgcn -mcpu=fiji -amdgpu-spill-sgpr-to-smem=1 -verify-machineinstrs -stop-before=prologepilog < %s
      2 
      3 ; Spill to SMEM clobbers M0. Check that the implicit-def dead operand is present
      4 ; in the pseudo instructions.
      5 
      6 ; CHECK-LABEL: {{^}}spill_sgpr:
      7 ; CHECK: SI_SPILL_S32_SAVE {{.*}}, implicit-def dead %m0
      8 ; CHECK: SI_SPILL_S32_RESTORE {{.*}}, implicit-def dead %m0
      9 define amdgpu_kernel void @spill_sgpr(i32 addrspace(1)* %out, i32 %in) #0 {
     10   %sgpr = call i32  asm sideeffect "; def $0", "=s" () #0
     11   %cmp = icmp eq i32 %in, 0
     12   br i1 %cmp, label %bb0, label %ret
     13 
     14 bb0:
     15   call void asm sideeffect "; use $0", "s"(i32 %sgpr) #0
     16   br label %ret
     17 
     18 ret:
     19   ret void
     20 }
     21 
     22 attributes #0 = { nounwind }
     23