[AMDGPU] Disable fp atomic to s_denorm_mode hazard for GFX11

[foad]

Summary

This hazard only exists on GFX10.

llvm/lib/Target/AMDGPU/GCNHazardRecognizer.cpp

int GCNHazardRecognizer::checkNSAtoVMEMHazard(MachineInstr *MI) {
   };
 
   return NSAtoVMEMWaitStates - getWaitStatesSince(IsHazardFn, 1);
 }
 
 int GCNHazardRecognizer::checkFPAtomicToDenormModeHazard(MachineInstr *MI) {
   int FPAtomicToDenormModeWaitStates = 3;
 
+  if (!ST.hasFPAtomicToDenormModeHazard())
+    return 0;
+
   if (MI->getOpcode() != AMDGPU::S_DENORM_MODE)
     return 0;
 
   auto IsHazardFn = [](const MachineInstr &I) {
     if (!SIInstrInfo::isVMEM(I) && !SIInstrInfo::isFLAT(I))
       return false;
     return SIInstrInfo::isFPAtomic(I);
   };

llvm/lib/Target/AMDGPU/GCNSubtarget.h

public:
   }
 
   bool hasNSAClauseBug() const { return HasNSAClauseBug; }
 
   bool hasHardClauses() const { return getGeneration() >= GFX10; }
 
   bool hasGFX90AInsts() const { return GFX90AInsts; }
 
+  bool hasFPAtomicToDenormModeHazard() const {
+    return getGeneration() == GFX10;
+  }
+
   bool hasVOP3DPP() const { return getGeneration() >= GFX11; }
 
   bool hasLdsDirect() const { return getGeneration() >= GFX11; }
 
   bool hasVALUPartialForwardingHazard() const {
     return getGeneration() >= GFX11;
   }
 

llvm/test/CodeGen/AMDGPU/fp-atomic-to-s_denormmode.mir

-# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefix=GCN %s
-# RUN: llc -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefix=GCN %s
+# RUN: llc -march=amdgcn -mcpu=gfx1010 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefixes=GCN,GFX10 %s
+# RUN: llc -march=amdgcn -mcpu=gfx1100 -verify-machineinstrs -run-pass post-RA-hazard-rec -o - %s | FileCheck -check-prefixes=GCN %s
 
 # GCN-LABEL: name: flat_atomic_fcmpswap_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FCMPSWAP
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fcmpswap_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FCMPSWAP undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fcmpswap_x2_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FCMPSWAP_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fcmpswap_x2_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FCMPSWAP_X2 undef %0:vreg_64, undef %1:vreg_128, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmax_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMAX
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmax_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FMAX undef %0:vreg_64, undef %1:vgpr_32, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmax_x2_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMAX_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmax_x2_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FMAX_X2 undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmin_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMIN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmin_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FMIN undef %0:vreg_64, undef %1:vgpr_32, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmin_x2_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMIN_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmin_x2_to_s_denorm_mode
 body:            |
   bb.0:
     FLAT_ATOMIC_FMIN_X2 undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fcmpswap_x2_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FCMPSWAP_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fcmpswap_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = FLAT_ATOMIC_FCMPSWAP_X2_RTN undef %0:vreg_64, undef %1:vreg_128, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmax_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMAX_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmax_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = FLAT_ATOMIC_FMAX_RTN undef %0:vreg_64, undef %1:vgpr_32, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmax_x2_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMAX_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmax_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = FLAT_ATOMIC_FMAX_X2_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmin_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMIN_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmin_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = FLAT_ATOMIC_FMIN_RTN undef %0:vreg_64, undef %1:vgpr_32, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fmin_x2_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FMIN_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fmin_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = FLAT_ATOMIC_FMIN_X2_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: flat_atomic_fcmpswap_rtn_to_s_denorm_mode
 # GCN:      FLAT_ATOMIC_FCMPSWAP_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            flat_atomic_fcmpswap_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = FLAT_ATOMIC_FCMPSWAP_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec, implicit $flat_scr :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FCMPSWAP undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_x2_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_x2_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FCMPSWAP_X2 undef %0:vreg_64, undef %1:vreg_128, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FMAX undef %0:vreg_64, undef %1:vgpr_32, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_x2_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_x2_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FMAX_X2 undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FMIN undef %0:vreg_64, undef %1:vgpr_32, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_x2_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN_X2
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_x2_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FMIN_X2 undef %0:vreg_64, undef %1:vreg_64, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = GLOBAL_ATOMIC_FCMPSWAP_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_x2_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FCMPSWAP_X2_RTN undef %0:vreg_64, undef %1:vreg_128, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = GLOBAL_ATOMIC_FMAX_RTN undef %0:vreg_64, undef %1:vgpr_32, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_x2_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FMAX_X2_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = GLOBAL_ATOMIC_FMIN_RTN undef %0:vreg_64, undef %1:vgpr_32, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_x2_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN_X2_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_x2_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FMIN_X2_RTN undef %0:vreg_64, undef %1:vreg_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_saddr_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP_SADDR
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_saddr_to_s_denorm_mode
 body:            |
   bb.0:
     GLOBAL_ATOMIC_FCMPSWAP_SADDR undef %0:vgpr_32, undef %1:vreg_64, undef %3:sgpr_64, 0, 0, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fcmpswap_x2_saddr_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FCMPSWAP_X2_SADDR_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fcmpswap_x2_saddr_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FCMPSWAP_X2_SADDR_RTN undef %0:vgpr_32, undef %1:vreg_128, undef %3:sgpr_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_saddr_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX_SADDR_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_saddr_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = GLOBAL_ATOMIC_FMAX_SADDR_RTN undef %0:vgpr_32, undef %1:vgpr_32, undef %3:sgpr_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmax_x2_saddr_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMAX_X2_SADDR_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmax_x2_saddr_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FMAX_X2_SADDR_RTN undef %0:vgpr_32, undef %1:vreg_64, undef %3:sgpr_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_saddr_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN_SADDR_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_saddr_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vgpr_32 = GLOBAL_ATOMIC_FMIN_SADDR_RTN undef %0:vgpr_32, undef %1:vgpr_32, undef %3:sgpr_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...
 
 # GCN-LABEL: name: global_atomic_fmin_x2_saddr_rtn_to_s_denorm_mode
 # GCN:      GLOBAL_ATOMIC_FMIN_X2_SADDR_RTN
-# GCN-NEXT: S_NOP 2
+# GFX10-NEXT: S_NOP 2
 # GCN-NEXT: S_DENORM_MODE
 ---
 name:            global_atomic_fmin_x2_saddr_rtn_to_s_denorm_mode
 body:            |
   bb.0:
     %2:vreg_64 = GLOBAL_ATOMIC_FMIN_X2_SADDR_RTN undef %0:vgpr_32, undef %1:vreg_64, undef %3:sgpr_64, 0, 1, implicit $exec :: (volatile load store seq_cst seq_cst (s32) on `float addrspace(1)* undef`)
     S_DENORM_MODE 0, implicit-def $mode, implicit $mode
 ...