Index: llvm/lib/CodeGen/GlobalISel/Utils.cpp
===================================================================
--- llvm/lib/CodeGen/GlobalISel/Utils.cpp
+++ llvm/lib/CodeGen/GlobalISel/Utils.cpp
@@ -26,6 +26,7 @@
 #include "llvm/CodeGen/TargetPassConfig.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/IR/Constants.h"
+#include "llvm/Target/TargetMachine.h"
 
 #define DEBUG_TYPE "globalisel-utils"
 
@@ -470,6 +471,9 @@
   if (!DefMI)
     return false;
 
+  if (DefMI->getMF()->getTarget().Options.NoNaNsFPMath)
+    return true;
+
   if (DefMI->getFlag(MachineInstr::FmNoNans))
     return true;
 
Index: llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
+++ llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp
@@ -3166,7 +3166,7 @@
   Register Src;
   unsigned Mods;
   std::tie(Src, Mods) = selectVOP3ModsImpl(Root);
-  if (!TM.Options.NoNaNsFPMath && !isKnownNeverNaN(Src, *MRI))
+  if (!isKnownNeverNaN(Src, *MRI))
     return None;
 
   return {{
Index: llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3.ll
@@ -0,0 +1,589 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -global-isel -march=amdgcn -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=SI %s
+; RUN: llc -global-isel -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=VI -check-prefix=GFX89 %s
+; RUN: llc -global-isel -march=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefix=GCN -check-prefix=GFX9 -check-prefix=GFX89 %s
+
+define amdgpu_kernel void @v_test_global_nnans_med3_f32_pat0_srcmod0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #2 {
+; SI-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod0:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_waitcnt vmcnt(2)
+; SI-NEXT:    v_sub_f32_e32 v2, 0x80000000, v2
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    v_med3_f32 v2, v2, v3, v4
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod0:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v8, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v8
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v8
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v8
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v0, v[0:1]
+; VI-NEXT:    flat_load_dword v1, v[2:3]
+; VI-NEXT:    flat_load_dword v2, v[4:5]
+; VI-NEXT:    v_mov_b32_e32 v7, s1
+; VI-NEXT:    v_mov_b32_e32 v6, s0
+; VI-NEXT:    v_add_u32_e32 v6, vcc, v6, v8
+; VI-NEXT:    v_addc_u32_e32 v7, vcc, 0, v7, vcc
+; VI-NEXT:    s_waitcnt vmcnt(2) lgkmcnt(2)
+; VI-NEXT:    v_sub_f32_e32 v0, 0x80000000, v0
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_med3_f32 v0, v0, v1, v2
+; VI-NEXT:    flat_store_dword v[6:7], v0
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_waitcnt vmcnt(2)
+; GFX9-NEXT:    v_sub_f32_e32 v1, 0x80000000, v1
+; GFX9-NEXT:    s_waitcnt vmcnt(0)
+; GFX9-NEXT:    v_med3_f32 v1, v1, v2, v3
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+  %a.fneg = fsub float -0.0, %a
+  %tmp0 = call float @llvm.minnum.f32(float %a.fneg, float %b)
+  %tmp1 = call float @llvm.maxnum.f32(float %a.fneg, float %b)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+define amdgpu_kernel void @v_test_no_global_nnans_med3_f32_pat0_srcmod0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #1 {
+; SI-LABEL: v_test_no_global_nnans_med3_f32_pat0_srcmod0:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_waitcnt vmcnt(2)
+; SI-NEXT:    v_sub_f32_e32 v2, 0x80000000, v2
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    v_med3_f32 v2, v2, v3, v4
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_test_no_global_nnans_med3_f32_pat0_srcmod0:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v8, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v8
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v8
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v8
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v0, v[0:1]
+; VI-NEXT:    flat_load_dword v1, v[2:3]
+; VI-NEXT:    flat_load_dword v2, v[4:5]
+; VI-NEXT:    v_mov_b32_e32 v7, s1
+; VI-NEXT:    v_mov_b32_e32 v6, s0
+; VI-NEXT:    v_add_u32_e32 v6, vcc, v6, v8
+; VI-NEXT:    v_addc_u32_e32 v7, vcc, 0, v7, vcc
+; VI-NEXT:    s_waitcnt vmcnt(2) lgkmcnt(2)
+; VI-NEXT:    v_sub_f32_e32 v0, 0x80000000, v0
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_med3_f32 v0, v0, v1, v2
+; VI-NEXT:    flat_store_dword v[6:7], v0
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_test_no_global_nnans_med3_f32_pat0_srcmod0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_waitcnt vmcnt(2)
+; GFX9-NEXT:    v_sub_f32_e32 v1, 0x80000000, v1
+; GFX9-NEXT:    s_waitcnt vmcnt(0)
+; GFX9-NEXT:    v_med3_f32 v1, v1, v2, v3
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+  %a.fneg = fsub float -0.0, %a
+  %tmp0 = call float @llvm.minnum.f32(float %a.fneg, float %b)
+  %tmp1 = call float @llvm.maxnum.f32(float %a.fneg, float %b)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+define amdgpu_kernel void @v_test_global_nnans_med3_f32_pat0_srcmod012(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #2 {
+; SI-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod012:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b32 s2, 0x80000000
+; SI-NEXT:    s_waitcnt vmcnt(2)
+; SI-NEXT:    v_sub_f32_e32 v2, s2, v2
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    v_sub_f32_e64 v4, s2, |v4|
+; SI-NEXT:    v_med3_f32 v2, v2, |v3|, v4
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod012:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v6, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v6
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v6
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v7, v[0:1]
+; VI-NEXT:    flat_load_dword v2, v[2:3]
+; VI-NEXT:    flat_load_dword v3, v[4:5]
+; VI-NEXT:    v_mov_b32_e32 v0, s0
+; VI-NEXT:    s_mov_b32 s2, 0x80000000
+; VI-NEXT:    v_mov_b32_e32 v1, s1
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    s_waitcnt vmcnt(2) lgkmcnt(2)
+; VI-NEXT:    v_sub_f32_e32 v4, s2, v7
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_sub_f32_e64 v3, s2, |v3|
+; VI-NEXT:    v_med3_f32 v2, v4, |v2|, v3
+; VI-NEXT:    flat_store_dword v[0:1], v2
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_test_global_nnans_med3_f32_pat0_srcmod012:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_mov_b32 s2, 0x80000000
+; GFX9-NEXT:    s_waitcnt vmcnt(2)
+; GFX9-NEXT:    v_sub_f32_e32 v1, s2, v1
+; GFX9-NEXT:    s_waitcnt vmcnt(0)
+; GFX9-NEXT:    v_sub_f32_e64 v3, s2, |v3|
+; GFX9-NEXT:    v_med3_f32 v1, v1, |v2|, v3
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+
+  %a.fneg = fsub float -0.0, %a
+  %b.fabs = call float @llvm.fabs.f32(float %b)
+  %c.fabs = call float @llvm.fabs.f32(float %c)
+  %c.fabs.fneg = fsub float -0.0, %c.fabs
+
+  %tmp0 = call float @llvm.minnum.f32(float %a.fneg, float %b.fabs)
+  %tmp1 = call float @llvm.maxnum.f32(float %a.fneg, float %b.fabs)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c.fabs.fneg)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+define amdgpu_kernel void @v_test_global_nnans_med3_f32_pat0_negabs012(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #2 {
+; SI-LABEL: v_test_global_nnans_med3_f32_pat0_negabs012:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b32 s2, 0x80000000
+; SI-NEXT:    s_waitcnt vmcnt(2)
+; SI-NEXT:    v_sub_f32_e64 v2, s2, |v2|
+; SI-NEXT:    s_waitcnt vmcnt(1)
+; SI-NEXT:    v_sub_f32_e64 v3, s2, |v3|
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    v_sub_f32_e64 v4, s2, |v4|
+; SI-NEXT:    v_med3_f32 v2, v2, v3, v4
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_test_global_nnans_med3_f32_pat0_negabs012:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v6, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v6
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v6
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v7, v[0:1]
+; VI-NEXT:    flat_load_dword v2, v[2:3]
+; VI-NEXT:    flat_load_dword v3, v[4:5]
+; VI-NEXT:    s_mov_b32 s2, 0x80000000
+; VI-NEXT:    v_mov_b32_e32 v0, s0
+; VI-NEXT:    v_mov_b32_e32 v1, s1
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    s_waitcnt vmcnt(2) lgkmcnt(2)
+; VI-NEXT:    v_sub_f32_e64 v4, s2, |v7|
+; VI-NEXT:    s_waitcnt vmcnt(1) lgkmcnt(1)
+; VI-NEXT:    v_sub_f32_e64 v2, s2, |v2|
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_sub_f32_e64 v3, s2, |v3|
+; VI-NEXT:    v_med3_f32 v2, v4, v2, v3
+; VI-NEXT:    flat_store_dword v[0:1], v2
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_test_global_nnans_med3_f32_pat0_negabs012:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_mov_b32 s2, 0x80000000
+; GFX9-NEXT:    s_waitcnt vmcnt(2)
+; GFX9-NEXT:    v_sub_f32_e64 v1, s2, |v1|
+; GFX9-NEXT:    s_waitcnt vmcnt(1)
+; GFX9-NEXT:    v_sub_f32_e64 v2, s2, |v2|
+; GFX9-NEXT:    s_waitcnt vmcnt(0)
+; GFX9-NEXT:    v_sub_f32_e64 v3, s2, |v3|
+; GFX9-NEXT:    v_med3_f32 v1, v1, v2, v3
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+
+  %a.fabs = call float @llvm.fabs.f32(float %a)
+  %a.fabs.fneg = fsub float -0.0, %a.fabs
+  %b.fabs = call float @llvm.fabs.f32(float %b)
+  %b.fabs.fneg = fsub float -0.0, %b.fabs
+  %c.fabs = call float @llvm.fabs.f32(float %c)
+  %c.fabs.fneg = fsub float -0.0, %c.fabs
+
+  %tmp0 = call float @llvm.minnum.f32(float %a.fabs.fneg, float %b.fabs.fneg)
+  %tmp1 = call float @llvm.maxnum.f32(float %a.fabs.fneg, float %b.fabs.fneg)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c.fabs.fneg)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+define amdgpu_kernel void @v_nnan_inputs_med3_f32_pat0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #1 {
+; SI-LABEL: v_nnan_inputs_med3_f32_pat0:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_waitcnt vmcnt(2)
+; SI-NEXT:    v_add_f32_e32 v2, 1.0, v2
+; SI-NEXT:    s_waitcnt vmcnt(1)
+; SI-NEXT:    v_add_f32_e32 v3, 2.0, v3
+; SI-NEXT:    s_waitcnt vmcnt(0)
+; SI-NEXT:    v_add_f32_e32 v4, 4.0, v4
+; SI-NEXT:    v_med3_f32 v2, v2, v3, v4
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_nnan_inputs_med3_f32_pat0:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v6, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v6
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v6
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v7, v[0:1]
+; VI-NEXT:    flat_load_dword v2, v[2:3]
+; VI-NEXT:    flat_load_dword v3, v[4:5]
+; VI-NEXT:    v_mov_b32_e32 v0, s0
+; VI-NEXT:    v_mov_b32_e32 v1, s1
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    s_waitcnt vmcnt(2) lgkmcnt(2)
+; VI-NEXT:    v_add_f32_e32 v4, 1.0, v7
+; VI-NEXT:    s_waitcnt vmcnt(1) lgkmcnt(1)
+; VI-NEXT:    v_add_f32_e32 v2, 2.0, v2
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_add_f32_e32 v3, 4.0, v3
+; VI-NEXT:    v_med3_f32 v2, v4, v2, v3
+; VI-NEXT:    flat_store_dword v[0:1], v2
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_nnan_inputs_med3_f32_pat0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_waitcnt vmcnt(2)
+; GFX9-NEXT:    v_add_f32_e32 v1, 1.0, v1
+; GFX9-NEXT:    s_waitcnt vmcnt(1)
+; GFX9-NEXT:    v_add_f32_e32 v2, 2.0, v2
+; GFX9-NEXT:    s_waitcnt vmcnt(0)
+; GFX9-NEXT:    v_add_f32_e32 v3, 4.0, v3
+; GFX9-NEXT:    v_med3_f32 v1, v1, v2, v3
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+
+  %a.nnan = fadd nnan float %a, 1.0
+  %b.nnan = fadd nnan float %b, 2.0
+  %c.nnan = fadd nnan float %c, 4.0
+
+  %tmp0 = call float @llvm.minnum.f32(float %a.nnan, float %b.nnan)
+  %tmp1 = call float @llvm.maxnum.f32(float %a.nnan, float %b.nnan)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c.nnan)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+
+; ---------------------------------------------------------------------
+; Negative patterns
+; ---------------------------------------------------------------------
+
+define amdgpu_kernel void @v_test_safe_med3_f32_pat0_multi_use0(float addrspace(1)* %out, float addrspace(1)* %aptr, float addrspace(1)* %bptr, float addrspace(1)* %cptr) #1 {
+; SI-LABEL: v_test_safe_med3_f32_pat0_multi_use0:
+; SI:       ; %bb.0:
+; SI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x9
+; SI-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; SI-NEXT:    v_mov_b32_e32 v1, 0
+; SI-NEXT:    s_mov_b32 s10, 0
+; SI-NEXT:    s_mov_b32 s11, 0xf000
+; SI-NEXT:    s_waitcnt lgkmcnt(0)
+; SI-NEXT:    s_mov_b64 s[8:9], s[2:3]
+; SI-NEXT:    buffer_load_dword v2, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; SI-NEXT:    buffer_load_dword v3, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_mov_b32 s2, -1
+; SI-NEXT:    s_mov_b32 s3, s11
+; SI-NEXT:    s_mov_b64 s[8:9], s[6:7]
+; SI-NEXT:    buffer_load_dword v4, v[0:1], s[8:11], 0 addr64
+; SI-NEXT:    s_waitcnt vmcnt(1)
+; SI-NEXT:    v_min_f32_e32 v5, v2, v3
+; SI-NEXT:    v_max_f32_e32 v2, v2, v3
+; SI-NEXT:    buffer_store_dword v5, off, s[0:3], 0
+; SI-NEXT:    s_waitcnt vmcnt(1)
+; SI-NEXT:    v_min_f32_e32 v2, v2, v4
+; SI-NEXT:    v_max_f32_e32 v2, v5, v2
+; SI-NEXT:    s_mov_b64 s[2:3], s[10:11]
+; SI-NEXT:    buffer_store_dword v2, v[0:1], s[0:3], 0 addr64
+; SI-NEXT:    s_endpgm
+;
+; VI-LABEL: v_test_safe_med3_f32_pat0_multi_use0:
+; VI:       ; %bb.0:
+; VI-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; VI-NEXT:    v_lshlrev_b32_e32 v6, 2, v0
+; VI-NEXT:    s_waitcnt lgkmcnt(0)
+; VI-NEXT:    v_mov_b32_e32 v0, s2
+; VI-NEXT:    v_mov_b32_e32 v1, s3
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_mov_b32_e32 v2, s4
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    v_mov_b32_e32 v3, s5
+; VI-NEXT:    v_add_u32_e32 v2, vcc, v2, v6
+; VI-NEXT:    v_mov_b32_e32 v4, s6
+; VI-NEXT:    v_addc_u32_e32 v3, vcc, 0, v3, vcc
+; VI-NEXT:    v_mov_b32_e32 v5, s7
+; VI-NEXT:    v_add_u32_e32 v4, vcc, v4, v6
+; VI-NEXT:    v_addc_u32_e32 v5, vcc, 0, v5, vcc
+; VI-NEXT:    flat_load_dword v7, v[0:1]
+; VI-NEXT:    flat_load_dword v2, v[2:3]
+; VI-NEXT:    flat_load_dword v3, v[4:5]
+; VI-NEXT:    v_mov_b32_e32 v0, s0
+; VI-NEXT:    v_mov_b32_e32 v1, s1
+; VI-NEXT:    v_add_u32_e32 v0, vcc, v0, v6
+; VI-NEXT:    v_addc_u32_e32 v1, vcc, 0, v1, vcc
+; VI-NEXT:    s_waitcnt vmcnt(1) lgkmcnt(1)
+; VI-NEXT:    v_min_f32_e32 v4, v7, v2
+; VI-NEXT:    v_max_f32_e32 v2, v7, v2
+; VI-NEXT:    s_waitcnt vmcnt(0) lgkmcnt(0)
+; VI-NEXT:    v_min_f32_e32 v2, v2, v3
+; VI-NEXT:    v_max_f32_e32 v2, v4, v2
+; VI-NEXT:    flat_store_dword v[0:1], v4
+; VI-NEXT:    flat_store_dword v[0:1], v2
+; VI-NEXT:    s_endpgm
+;
+; GFX9-LABEL: v_test_safe_med3_f32_pat0_multi_use0:
+; GFX9:       ; %bb.0:
+; GFX9-NEXT:    s_load_dwordx8 s[0:7], s[0:1], 0x24
+; GFX9-NEXT:    v_lshlrev_b32_e32 v0, 2, v0
+; GFX9-NEXT:    s_waitcnt lgkmcnt(0)
+; GFX9-NEXT:    global_load_dword v1, v0, s[2:3]
+; GFX9-NEXT:    global_load_dword v2, v0, s[4:5]
+; GFX9-NEXT:    global_load_dword v3, v0, s[6:7]
+; GFX9-NEXT:    s_waitcnt vmcnt(1)
+; GFX9-NEXT:    v_min_f32_e32 v4, v1, v2
+; GFX9-NEXT:    v_max_f32_e32 v1, v1, v2
+; GFX9-NEXT:    global_store_dword v[0:1], v4, off
+; GFX9-NEXT:    s_waitcnt vmcnt(1)
+; GFX9-NEXT:    v_min_f32_e32 v1, v1, v3
+; GFX9-NEXT:    v_max_f32_e32 v1, v4, v1
+; GFX9-NEXT:    global_store_dword v0, v1, s[0:1]
+; GFX9-NEXT:    s_endpgm
+  %tid = call i32 @llvm.amdgcn.workitem.id.x()
+  %gep0 = getelementptr float, float addrspace(1)* %aptr, i32 %tid
+  %gep1 = getelementptr float, float addrspace(1)* %bptr, i32 %tid
+  %gep2 = getelementptr float, float addrspace(1)* %cptr, i32 %tid
+  %outgep = getelementptr float, float addrspace(1)* %out, i32 %tid
+  %a = load volatile float, float addrspace(1)* %gep0
+  %b = load volatile float, float addrspace(1)* %gep1
+  %c = load volatile float, float addrspace(1)* %gep2
+  %tmp0 = call float @llvm.minnum.f32(float %a, float %b)
+  store volatile float %tmp0, float addrspace(1)* undef
+  %tmp1 = call float @llvm.maxnum.f32(float %a, float %b)
+  %tmp2 = call float @llvm.minnum.f32(float %tmp1, float %c)
+  %med3 = call float @llvm.maxnum.f32(float %tmp0, float %tmp2)
+  store float %med3, float addrspace(1)* %outgep
+  ret void
+}
+
+declare i32 @llvm.amdgcn.workitem.id.x() #0
+declare float @llvm.fabs.f32(float) #0
+declare float @llvm.minnum.f32(float, float) #0
+declare float @llvm.maxnum.f32(float, float) #0
+declare double @llvm.minnum.f64(double, double) #0
+declare double @llvm.maxnum.f64(double, double) #0
+declare half @llvm.fabs.f16(half) #0
+declare half @llvm.minnum.f16(half, half) #0
+declare half @llvm.maxnum.f16(half, half) #0
+
+attributes #0 = { nounwind readnone }
+attributes #1 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="false" }
+attributes #2 = { nounwind "unsafe-fp-math"="false" "no-nans-fp-math"="true" }