Index: llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
===================================================================
--- llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
+++ llvm/lib/Target/AMDGPU/SIMachineFunctionInfo.cpp
@@ -670,6 +670,9 @@
     if (RC && SIRegisterInfo::isAGPRClass(RC)) {
       UsesAGPRs = true;
       return true;
+    } else if (!RC && !MRI.use_empty(Reg) && MRI.getType(Reg).isValid()) {
+      // Defer caching UsesAGPRs, function might not yet been regbank selected.
+      return true;
     }
   }
 
Index: llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mfma.gfx90a.ll
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.mfma.gfx90a.ll
@@ -0,0 +1,487 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -global-isel -march=amdgcn -mcpu=gfx90a -verify-machineinstrs < %s | FileCheck --check-prefixes=GCN %s
+
+declare <32 x float> @llvm.amdgcn.mfma.f32.32x32x4bf16.1k(<4 x i16>, <4 x i16>, <32 x float>, i32, i32, i32)
+declare <16 x float> @llvm.amdgcn.mfma.f32.16x16x4bf16.1k(<4 x i16>, <4 x i16>, <16 x float>, i32, i32, i32)
+declare <4 x float> @llvm.amdgcn.mfma.f32.4x4x4bf16.1k(<4 x i16>, <4 x i16>, <4 x float>, i32, i32, i32)
+declare <16 x float> @llvm.amdgcn.mfma.f32.32x32x8bf16.1k(<4 x i16>, <4 x i16>, <16 x float>, i32, i32, i32)
+declare <4 x float> @llvm.amdgcn.mfma.f32.16x16x16bf16.1k(<4 x i16>, <4 x i16>, <4 x float>, i32, i32, i32)
+declare <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double, double, <4 x double>, i32, i32, i32)
+declare double @llvm.amdgcn.mfma.f64.4x4x4f64(double, double, double, i32, i32, i32)
+declare i32 @llvm.amdgcn.workitem.id.x()
+
+define amdgpu_kernel void @test_mfma_f32_32x32x4bf16_1k(<32 x float> addrspace(1)* %arg) {
+; GCN-LABEL: test_mfma_f32_32x32x4bf16_1k:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx2 s[34:35], s[0:1], 0x24
+; GCN-NEXT:    s_mov_b64 s[16:17], 1
+; GCN-NEXT:    s_mov_b32 s18, 2
+; GCN-NEXT:    s_mov_b32 s19, s17
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[16:17], s[16:17] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    s_load_dwordx16 s[0:15], s[34:35], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[18:19], s[18:19] op_sel:[0,1]
+; GCN-NEXT:    s_load_dwordx16 s[16:31], s[34:35], 0x40
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s8
+; GCN-NEXT:    v_accvgpr_write_b32 a8, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s9
+; GCN-NEXT:    v_accvgpr_write_b32 a9, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s10
+; GCN-NEXT:    v_accvgpr_write_b32 a10, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s11
+; GCN-NEXT:    v_accvgpr_write_b32 a11, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s12
+; GCN-NEXT:    v_accvgpr_write_b32 a12, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s13
+; GCN-NEXT:    v_accvgpr_write_b32 a13, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s14
+; GCN-NEXT:    v_accvgpr_write_b32 a14, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s15
+; GCN-NEXT:    v_accvgpr_write_b32 a15, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s16
+; GCN-NEXT:    v_accvgpr_write_b32 a16, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s17
+; GCN-NEXT:    v_accvgpr_write_b32 a17, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s18
+; GCN-NEXT:    v_accvgpr_write_b32 a18, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s19
+; GCN-NEXT:    v_accvgpr_write_b32 a19, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s20
+; GCN-NEXT:    v_accvgpr_write_b32 a20, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s21
+; GCN-NEXT:    v_accvgpr_write_b32 a21, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s22
+; GCN-NEXT:    v_accvgpr_write_b32 a22, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s23
+; GCN-NEXT:    v_accvgpr_write_b32 a23, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s24
+; GCN-NEXT:    v_accvgpr_write_b32 a24, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s25
+; GCN-NEXT:    v_accvgpr_write_b32 a25, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s26
+; GCN-NEXT:    v_accvgpr_write_b32 a26, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s27
+; GCN-NEXT:    v_accvgpr_write_b32 a27, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s28
+; GCN-NEXT:    v_accvgpr_write_b32 a28, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s29
+; GCN-NEXT:    v_accvgpr_write_b32 a29, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s30
+; GCN-NEXT:    v_accvgpr_write_b32 a30, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s31
+; GCN-NEXT:    v_accvgpr_write_b32 a31, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f32_32x32x4bf16_1k a[0:31], v[0:1], v[2:3], a[0:31] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[34:35]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[34:35] offset:16
+; GCN-NEXT:    global_store_dwordx4 v0, a[8:11], s[34:35] offset:32
+; GCN-NEXT:    global_store_dwordx4 v0, a[12:15], s[34:35] offset:48
+; GCN-NEXT:    global_store_dwordx4 v0, a[16:19], s[34:35] offset:64
+; GCN-NEXT:    global_store_dwordx4 v0, a[20:23], s[34:35] offset:80
+; GCN-NEXT:    global_store_dwordx4 v0, a[24:27], s[34:35] offset:96
+; GCN-NEXT:    global_store_dwordx4 v0, a[28:31], s[34:35] offset:112
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <32 x float>, <32 x float> addrspace(1)* %arg
+  %a = bitcast i64 1 to <4 x i16>
+  %b = bitcast i64 2 to <4 x i16>
+  %mai.1 = tail call <32 x float> @llvm.amdgcn.mfma.f32.32x32x4bf16.1k(<4 x i16> %a, <4 x i16> %b, <32 x float> %in.1, i32 1, i32 2, i32 3)
+  store <32 x float> %mai.1, <32 x float> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f32_16x16x4bf16_1k(<16 x float> addrspace(1)* %arg) {
+; GCN-LABEL: test_mfma_f32_16x16x4bf16_1k:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx2 s[18:19], s[0:1], 0x24
+; GCN-NEXT:    s_mov_b64 s[2:3], 1
+; GCN-NEXT:    s_mov_b32 s17, s3
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_mov_b32 s16, 2
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    s_load_dwordx16 s[0:15], s[18:19], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[16:17], s[16:17] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s8
+; GCN-NEXT:    v_accvgpr_write_b32 a8, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s9
+; GCN-NEXT:    v_accvgpr_write_b32 a9, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s10
+; GCN-NEXT:    v_accvgpr_write_b32 a10, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s11
+; GCN-NEXT:    v_accvgpr_write_b32 a11, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s12
+; GCN-NEXT:    v_accvgpr_write_b32 a12, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s13
+; GCN-NEXT:    v_accvgpr_write_b32 a13, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s14
+; GCN-NEXT:    v_accvgpr_write_b32 a14, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s15
+; GCN-NEXT:    v_accvgpr_write_b32 a15, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f32_16x16x4bf16_1k a[0:15], v[0:1], v[2:3], a[0:15] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[18:19]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[18:19] offset:16
+; GCN-NEXT:    global_store_dwordx4 v0, a[8:11], s[18:19] offset:32
+; GCN-NEXT:    global_store_dwordx4 v0, a[12:15], s[18:19] offset:48
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <16 x float>, <16 x float> addrspace(1)* %arg
+  %a = bitcast i64 1 to <4 x i16>
+  %b = bitcast i64 2 to <4 x i16>
+  %mai.1 = tail call <16 x float> @llvm.amdgcn.mfma.f32.16x16x4bf16.1k(<4 x i16> %a, <4 x i16> %b, <16 x float> %in.1, i32 1, i32 2, i32 3)
+  store <16 x float> %mai.1, <16 x float> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f32_4x4x4bf16_1k(<4 x float> addrspace(1)* %arg) {
+; GCN-LABEL: test_mfma_f32_4x4x4bf16_1k:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx2 s[6:7], s[0:1], 0x24
+; GCN-NEXT:    s_mov_b64 s[2:3], 1
+; GCN-NEXT:    s_mov_b32 s5, s3
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_mov_b32 s4, 2
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    s_load_dwordx4 s[0:3], s[6:7], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[4:5], s[4:5] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f32_4x4x4bf16_1k a[0:3], v[0:1], v[2:3], a[0:3] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 3
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[6:7]
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <4 x float>, <4 x float> addrspace(1)* %arg
+  %a = bitcast i64 1 to <4 x i16>
+  %b = bitcast i64 2 to <4 x i16>
+  %mai.1 = tail call <4 x float> @llvm.amdgcn.mfma.f32.4x4x4bf16.1k(<4 x i16> %a, <4 x i16> %b, <4 x float> %in.1, i32 1, i32 2, i32 3)
+  store <4 x float> %mai.1, <4 x float> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f32_32x32x8bf16_1k(<16 x float> addrspace(1)* %arg) {
+; GCN-LABEL: test_mfma_f32_32x32x8bf16_1k:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx2 s[18:19], s[0:1], 0x24
+; GCN-NEXT:    s_mov_b64 s[2:3], 1
+; GCN-NEXT:    s_mov_b32 s17, s3
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_mov_b32 s16, 2
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    s_load_dwordx16 s[0:15], s[18:19], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[16:17], s[16:17] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s8
+; GCN-NEXT:    v_accvgpr_write_b32 a8, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s9
+; GCN-NEXT:    v_accvgpr_write_b32 a9, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s10
+; GCN-NEXT:    v_accvgpr_write_b32 a10, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s11
+; GCN-NEXT:    v_accvgpr_write_b32 a11, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s12
+; GCN-NEXT:    v_accvgpr_write_b32 a12, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s13
+; GCN-NEXT:    v_accvgpr_write_b32 a13, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s14
+; GCN-NEXT:    v_accvgpr_write_b32 a14, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s15
+; GCN-NEXT:    v_accvgpr_write_b32 a15, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f32_32x32x8bf16_1k a[0:15], v[0:1], v[2:3], a[0:15] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[18:19]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[18:19] offset:16
+; GCN-NEXT:    global_store_dwordx4 v0, a[8:11], s[18:19] offset:32
+; GCN-NEXT:    global_store_dwordx4 v0, a[12:15], s[18:19] offset:48
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <16 x float>, <16 x float> addrspace(1)* %arg
+  %a = bitcast i64 1 to <4 x i16>
+  %b = bitcast i64 2 to <4 x i16>
+  %mai.1 = tail call <16 x float> @llvm.amdgcn.mfma.f32.32x32x8bf16.1k(<4 x i16> %a, <4 x i16> %b, <16 x float> %in.1, i32 1, i32 2, i32 3)
+  store <16 x float> %mai.1, <16 x float> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f32_16x16x16bf16_1k(<4 x float> addrspace(1)* %arg) {
+; GCN-LABEL: test_mfma_f32_16x16x16bf16_1k:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx2 s[6:7], s[0:1], 0x24
+; GCN-NEXT:    s_mov_b64 s[2:3], 1
+; GCN-NEXT:    s_mov_b32 s5, s3
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_mov_b32 s4, 2
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    s_load_dwordx4 s[0:3], s[6:7], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[4:5], s[4:5] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f32_16x16x16bf16_1k a[0:3], v[0:1], v[2:3], a[0:3] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[6:7]
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <4 x float>, <4 x float> addrspace(1)* %arg
+  %a = bitcast i64 1 to <4 x i16>
+  %b = bitcast i64 2 to <4 x i16>
+  %mai.1 = tail call <4 x float> @llvm.amdgcn.mfma.f32.16x16x16bf16.1k(<4 x i16> %a, <4 x i16> %b, <4 x float> %in.1, i32 1, i32 2, i32 3)
+  store <4 x float> %mai.1, <4 x float> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f64_4x4x4f64(double addrspace(1)* %arg, double %a, double %b) {
+; GCN-LABEL: test_mfma_f64_4x4x4f64:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx4 s[4:7], s[0:1], 0x24
+; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[6:7], s[6:7] op_sel:[0,1]
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f64_4x4x4f64 a[0:1], v[0:1], v[2:3], 0
+; GCN-NEXT:    s_nop 3
+; GCN-NEXT:    v_mfma_f64_4x4x4f64 a[0:1], v[0:1], v[2:3], a[0:1] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    global_store_dwordx2 v0, a[0:1], s[4:5]
+; GCN-NEXT:    s_endpgm
+bb:
+  %mai.1 = tail call double @llvm.amdgcn.mfma.f64.4x4x4f64(double %a, double %b, double 0.0, i32 0, i32 0, i32 0)
+  %mai.2 = tail call double @llvm.amdgcn.mfma.f64.4x4x4f64(double %a, double %b, double %mai.1, i32 1, i32 2, i32 3)
+  store double %mai.2, double addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f64_16x16x4f64(<4 x double> addrspace(1)* %arg, double %a, double %b) {
+; GCN-LABEL: test_mfma_f64_16x16x4f64:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx4 s[8:11], s[0:1], 0x24
+; GCN-NEXT:    s_load_dwordx2 s[12:13], s[0:1], 0x34
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[10:11], s[10:11] op_sel:[0,1]
+; GCN-NEXT:    s_load_dwordx8 s[0:7], s[8:9], 0x0
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[12:13], s[12:13] op_sel:[0,1]
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_mov_b32_e32 v4, s0
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s1
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s2
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s3
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f64_16x16x4f64 a[0:7], v[0:1], v[2:3], a[0:7] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 0
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[8:9]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[8:9] offset:16
+; GCN-NEXT:    s_endpgm
+bb:
+  %in.1 = load <4 x double>, <4 x double> addrspace(1)* %arg
+  %mai.1 = tail call <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double %a, double %b, <4 x double> %in.1, i32 1, i32 2, i32 3)
+  store <4 x double> %mai.1, <4 x double> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f64_16x16x4f64_splat_imm(<4 x double> addrspace(1)* %arg, double %a, double %b) {
+; GCN-LABEL: test_mfma_f64_16x16x4f64_splat_imm:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_load_dwordx4 s[4:7], s[0:1], 0x24
+; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[6:7], s[6:7] op_sel:[0,1]
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f64_16x16x4f64 a[0:7], v[0:1], v[2:3], 0
+; GCN-NEXT:    v_mfma_f64_16x16x4f64 a[0:7], v[0:1], v[2:3], a[0:7] cbsz:1 abid:2 blgp:3
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 0
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[4:5]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[4:5] offset:16
+; GCN-NEXT:    s_endpgm
+bb:
+  %mai.1 = tail call <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double %a, double %b, <4 x double> <double 0.0, double 0.0, double 0.0, double 0.0>, i32 0, i32 0, i32 0)
+  %mai.2 = tail call <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double %a, double %b, <4 x double> %mai.1, i32 1, i32 2, i32 3)
+  store <4 x double> %mai.2, <4 x double> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f64_16x16x4f64_imm(<4 x double> addrspace(1)* %arg, double %a, double %b) {
+; GCN-LABEL: test_mfma_f64_16x16x4f64_imm:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_mov_b64 s[4:5], 0
+; GCN-NEXT:    s_mov_b64 s[10:11], 1.0
+; GCN-NEXT:    s_load_dwordx4 s[12:15], s[0:1], 0x24
+; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
+; GCN-NEXT:    s_mov_b64 s[6:7], s[4:5]
+; GCN-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[14:15], s[14:15] op_sel:[0,1]
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s8
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s9
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s10
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s11
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f64_16x16x4f64 a[0:7], v[0:1], v[2:3], a[0:7]
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 0
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[12:13]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[12:13] offset:16
+; GCN-NEXT:    s_endpgm
+bb:
+  %mai.1 = tail call <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double %a, double %b, <4 x double> <double 0.0, double 0.0, double 0.0, double 1.0>, i32 0, i32 0, i32 0)
+  store <4 x double> %mai.1, <4 x double> addrspace(1)* %arg
+  ret void
+}
+
+define amdgpu_kernel void @test_mfma_f64_16x16x4f64_splat_lit(<4 x double> addrspace(1)* %arg, double %a, double %b) {
+; GCN-LABEL: test_mfma_f64_16x16x4f64_splat_lit:
+; GCN:       ; %bb.0: ; %bb
+; GCN-NEXT:    s_mov_b32 s4, 0
+; GCN-NEXT:    s_mov_b32 s5, 0x405ec000
+; GCN-NEXT:    s_mov_b64 s[6:7], s[4:5]
+; GCN-NEXT:    s_load_dwordx4 s[12:15], s[0:1], 0x24
+; GCN-NEXT:    s_load_dwordx2 s[2:3], s[0:1], 0x34
+; GCN-NEXT:    s_mov_b64 s[8:9], s[4:5]
+; GCN-NEXT:    s_mov_b64 s[10:11], s[4:5]
+; GCN-NEXT:    v_mov_b32_e32 v4, s4
+; GCN-NEXT:    v_accvgpr_write_b32 a0, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s5
+; GCN-NEXT:    v_accvgpr_write_b32 a1, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s6
+; GCN-NEXT:    v_accvgpr_write_b32 a2, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s7
+; GCN-NEXT:    s_waitcnt lgkmcnt(0)
+; GCN-NEXT:    v_pk_mov_b32 v[0:1], s[14:15], s[14:15] op_sel:[0,1]
+; GCN-NEXT:    v_accvgpr_write_b32 a3, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s8
+; GCN-NEXT:    v_accvgpr_write_b32 a4, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s9
+; GCN-NEXT:    v_accvgpr_write_b32 a5, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s10
+; GCN-NEXT:    v_accvgpr_write_b32 a6, v4
+; GCN-NEXT:    v_mov_b32_e32 v4, s11
+; GCN-NEXT:    v_accvgpr_write_b32 a7, v4
+; GCN-NEXT:    v_pk_mov_b32 v[2:3], s[2:3], s[2:3] op_sel:[0,1]
+; GCN-NEXT:    s_nop 1
+; GCN-NEXT:    v_mfma_f64_16x16x4f64 a[0:7], v[0:1], v[2:3], a[0:7]
+; GCN-NEXT:    v_mov_b32_e32 v0, 0
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 7
+; GCN-NEXT:    s_nop 0
+; GCN-NEXT:    global_store_dwordx4 v0, a[0:3], s[12:13]
+; GCN-NEXT:    global_store_dwordx4 v0, a[4:7], s[12:13] offset:16
+; GCN-NEXT:    s_endpgm
+bb:
+  %mai.1 = tail call <4 x double> @llvm.amdgcn.mfma.f64.16x16x4f64(double %a, double %b, <4 x double> <double 123.0, double 123.0, double 123.0, double 123.0>, i32 0, i32 0, i32 0)
+  store <4 x double> %mai.1, <4 x double> addrspace(1)* %arg
+  ret void
+}