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AMDGPU: Rename and add bf16 support for global_load_tr builtins #86202

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Mar 22, 2024
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AMDGPU: Rename and add bf16 support for global_load_tr builtins #86202

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16 changes: 9 additions & 7 deletions clang/include/clang/Basic/BuiltinsAMDGPU.def
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Original file line number Diff line number Diff line change
Expand Up @@ -432,13 +432,15 @@ TARGET_BUILTIN(__builtin_amdgcn_s_wakeup_barrier, "vi", "n", "gfx12-insts")
TARGET_BUILTIN(__builtin_amdgcn_s_barrier_leave, "b", "n", "gfx12-insts")
TARGET_BUILTIN(__builtin_amdgcn_s_get_barrier_state, "Uii", "n", "gfx12-insts")

TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_v2i32, "V2iV2i*1", "nc", "gfx12-insts,wavefrontsize32")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_v8i16, "V8sV8s*1", "nc", "gfx12-insts,wavefrontsize32")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_v8f16, "V8hV8h*1", "nc", "gfx12-insts,wavefrontsize32")

TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_i32, "ii*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_v4i16, "V4sV4s*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_v4f16, "V4hV4h*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b64_v2i32, "V2iV2i*1", "nc", "gfx12-insts,wavefrontsize32")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v8i16, "V8sV8s*1", "nc", "gfx12-insts,wavefrontsize32")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v8f16, "V8hV8h*1", "nc", "gfx12-insts,wavefrontsize32")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v8bf16, "V8yV8y*1", "nc", "gfx12-insts,wavefrontsize32")

TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b64_i32, "ii*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v4i16, "V4sV4s*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v4f16, "V4hV4h*1", "nc", "gfx12-insts,wavefrontsize64")
TARGET_BUILTIN(__builtin_amdgcn_global_load_tr_b128_v4bf16, "V4yV4y*1", "nc", "gfx12-insts,wavefrontsize64")
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Do we still want to keep the old builtins to maintain compatibility, though I doubt there is any legacy code using them?

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There should not be legacy yet.

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Do we really need the f16/bf16 versions? You can always bitcast the i16 versions.


//===----------------------------------------------------------------------===//
// WMMA builtins.
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34 changes: 22 additions & 12 deletions clang/lib/CodeGen/CGBuiltin.cpp
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Expand Up @@ -18531,35 +18531,45 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned BuiltinID,
llvm::Function *F = CGM.getIntrinsic(IID, {ArgTy});
return Builder.CreateCall(F, {Addr, Val, ZeroI32, ZeroI32, ZeroI1});
}
case AMDGPU::BI__builtin_amdgcn_global_load_tr_i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v2i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v4f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v4i16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v8f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v8i16: {
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b64_i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b64_v2i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4bf16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4i16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8bf16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8i16: {

llvm::Type *ArgTy;
switch (BuiltinID) {
case AMDGPU::BI__builtin_amdgcn_global_load_tr_i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b64_i32:
ArgTy = llvm::Type::getInt32Ty(getLLVMContext());
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v2i32:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b64_v2i32:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getInt32Ty(getLLVMContext()), 2);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v4f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4bf16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getBFloatTy(getLLVMContext()), 4);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4f16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getHalfTy(getLLVMContext()), 4);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v4i16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v4i16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getInt16Ty(getLLVMContext()), 4);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v8f16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8bf16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getBFloatTy(getLLVMContext()), 8);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8f16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getHalfTy(getLLVMContext()), 8);
break;
case AMDGPU::BI__builtin_amdgcn_global_load_tr_v8i16:
case AMDGPU::BI__builtin_amdgcn_global_load_tr_b128_v8i16:
ArgTy = llvm::FixedVectorType::get(
llvm::Type::getInt16Ty(getLLVMContext()), 8);
break;
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25 changes: 13 additions & 12 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-tr-gfx11-err.cl
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Expand Up @@ -6,21 +6,22 @@
typedef int v2i __attribute__((ext_vector_type(2)));
typedef half v8h __attribute__((ext_vector_type(8)));
typedef short v8s __attribute__((ext_vector_type(8)));
typedef __bf16 v8bf16 __attribute__((ext_vector_type(8)));

typedef half v4h __attribute__((ext_vector_type(4)));
typedef short v4s __attribute__((ext_vector_type(4)));
typedef __bf16 v4bf16 __attribute__((ext_vector_type(4)));



void amdgcn_global_load_tr(global v2i* v2i_inptr, global v8s* v8s_inptr, global v8h* v8h_inptr,
global int* int_inptr, global v4s* v4s_inptr, global v4h* v4h_inptr)
void amdgcn_global_load_tr(global v2i* v2i_inptr, global v8s* v8s_inptr, global v8h* v8h_inptr, global v8bf16* v8bf16_inptr,
global int* int_inptr, global v4s* v4s_inptr, global v4h* v4h_inptr, global v4bf16* v4bf16_inptr)
{
v2i out_1 = __builtin_amdgcn_global_load_tr_v2i32(v2i_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v2i32' needs target feature gfx12-insts,wavefrontsize32}}
v8s out_2 = __builtin_amdgcn_global_load_tr_v8i16(v8s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v8i16' needs target feature gfx12-insts,wavefrontsize32}}
v8h out_3 = __builtin_amdgcn_global_load_tr_v8f16(v8h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v8f16' needs target feature gfx12-insts,wavefrontsize32}}

int out_4 = __builtin_amdgcn_global_load_tr_i32(int_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_i32' needs target feature gfx12-insts,wavefrontsize64}}
v4s out_5 = __builtin_amdgcn_global_load_tr_v4i16(v4s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v4i16' needs target feature gfx12-insts,wavefrontsize64}}
v4h out_6 = __builtin_amdgcn_global_load_tr_v4f16(v4h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v4f16' needs target feature gfx12-insts,wavefrontsize64}}
v2i out_1 = __builtin_amdgcn_global_load_tr_b64_v2i32(v2i_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b64_v2i32' needs target feature gfx12-insts,wavefrontsize32}}
v8s out_2 = __builtin_amdgcn_global_load_tr_b128_v8i16(v8s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8i16' needs target feature gfx12-insts,wavefrontsize32}}
v8h out_3 = __builtin_amdgcn_global_load_tr_b128_v8f16(v8h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8f16' needs target feature gfx12-insts,wavefrontsize32}}
v8bf16 o4 = __builtin_amdgcn_global_load_tr_b128_v8bf16(v8bf16_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8bf16' needs target feature gfx12-insts,wavefrontsize32}}

int out_5 = __builtin_amdgcn_global_load_tr_b64_i32(int_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b64_i32' needs target feature gfx12-insts,wavefrontsize64}}
v4s out_6 = __builtin_amdgcn_global_load_tr_b128_v4i16(v4s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4i16' needs target feature gfx12-insts,wavefrontsize64}}
v4h out_7 = __builtin_amdgcn_global_load_tr_b128_v4f16(v4h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4f16' needs target feature gfx12-insts,wavefrontsize64}}
v4bf16 o8 = __builtin_amdgcn_global_load_tr_b128_v4bf16(v4bf16_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4bf16' needs target feature gfx12-insts,wavefrontsize64}}
}

11 changes: 6 additions & 5 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-tr-gfx12-w32-err.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,12 @@

typedef half v4h __attribute__((ext_vector_type(4)));
typedef short v4s __attribute__((ext_vector_type(4)));
typedef __bf16 v4bf16 __attribute__((ext_vector_type(4)));

void amdgcn_global_load_tr(global int* int_inptr, global v4s* v4s_inptr, global v4h* v4h_inptr)
void amdgcn_global_load_tr(global int* int_inptr, global v4s* v4s_inptr, global v4h* v4h_inptr, global v4bf16* v4bf16_inptr)
{
int out_4 = __builtin_amdgcn_global_load_tr_i32(int_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_i32' needs target feature gfx12-insts,wavefrontsize64}}
v4s out_5 = __builtin_amdgcn_global_load_tr_v4i16(v4s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v4i16' needs target feature gfx12-insts,wavefrontsize64}}
v4h out_6 = __builtin_amdgcn_global_load_tr_v4f16(v4h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v4f16' needs target feature gfx12-insts,wavefrontsize64}}
int out_1 = __builtin_amdgcn_global_load_tr_b64_i32(int_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b64_i32' needs target feature gfx12-insts,wavefrontsize64}}
v4s out_2 = __builtin_amdgcn_global_load_tr_b128_v4i16(v4s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4i16' needs target feature gfx12-insts,wavefrontsize64}}
v4h out_3 = __builtin_amdgcn_global_load_tr_b128_v4f16(v4h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4f16' needs target feature gfx12-insts,wavefrontsize64}}
v4bf16 o4 = __builtin_amdgcn_global_load_tr_b128_v4bf16(v4bf16_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v4bf16' needs target feature gfx12-insts,wavefrontsize64}}
}

11 changes: 6 additions & 5 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-tr-gfx12-w64-err.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -6,11 +6,12 @@
typedef int v2i __attribute__((ext_vector_type(2)));
typedef half v8h __attribute__((ext_vector_type(8)));
typedef short v8s __attribute__((ext_vector_type(8)));
typedef __bf16 v8bf16 __attribute__((ext_vector_type(8)));

void amdgcn_global_load_tr(global v2i* v2i_inptr, global v8s* v8s_inptr, global v8h* v8h_inptr)
void amdgcn_global_load_tr(global v2i* v2i_inptr, global v8s* v8s_inptr, global v8h* v8h_inptr, global v8bf16* v8bf16_inptr)
{
v2i out_1 = __builtin_amdgcn_global_load_tr_v2i32(v2i_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v2i32' needs target feature gfx12-insts,wavefrontsize32}}
v8s out_2 = __builtin_amdgcn_global_load_tr_v8i16(v8s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v8i16' needs target feature gfx12-insts,wavefrontsize32}}
v8h out_3 = __builtin_amdgcn_global_load_tr_v8f16(v8h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_v8f16' needs target feature gfx12-insts,wavefrontsize32}}
v2i out_1 = __builtin_amdgcn_global_load_tr_b64_v2i32(v2i_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b64_v2i32' needs target feature gfx12-insts,wavefrontsize32}}
v8s out_2 = __builtin_amdgcn_global_load_tr_b128_v8i16(v8s_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8i16' needs target feature gfx12-insts,wavefrontsize32}}
v8h out_3 = __builtin_amdgcn_global_load_tr_b128_v8f16(v8h_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8f16' needs target feature gfx12-insts,wavefrontsize32}}
v8bf16 o4 = __builtin_amdgcn_global_load_tr_b128_v8bf16(v8bf16_inptr); // expected-error{{'__builtin_amdgcn_global_load_tr_b128_v8bf16' needs target feature gfx12-insts,wavefrontsize32}}
}

38 changes: 19 additions & 19 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-tr-w32.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -5,44 +5,44 @@
typedef int v2i __attribute__((ext_vector_type(2)));
typedef half v8h __attribute__((ext_vector_type(8)));
typedef short v8s __attribute__((ext_vector_type(8)));
typedef __bf16 v8bf16 __attribute__((ext_vector_type(8)));

// Wave32

//
// amdgcn_global_load_tr
//

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_v2i32(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b64_v2i32(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <2 x i32> @llvm.amdgcn.global.load.tr.v2i32(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <2 x i32> [[TMP0]]
//
v2i test_amdgcn_global_load_tr_v2i32(global v2i* inptr)
v2i test_amdgcn_global_load_tr_b64_v2i32(global v2i* inptr)
{
return __builtin_amdgcn_global_load_tr_v2i32(inptr);
return __builtin_amdgcn_global_load_tr_b64_v2i32(inptr);
}

//
// amdgcn_global_load_tr
//

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_v8i16(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v8i16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <8 x i16> @llvm.amdgcn.global.load.tr.v8i16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <8 x i16> [[TMP0]]
//
v8s test_amdgcn_global_load_tr_v8i16(global v8s* inptr)
v8s test_amdgcn_global_load_tr_b128_v8i16(global v8s* inptr)
{
return __builtin_amdgcn_global_load_tr_v8i16(inptr);
return __builtin_amdgcn_global_load_tr_b128_v8i16(inptr);
}

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_v8f16(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v8f16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <8 x half> @llvm.amdgcn.global.load.tr.v8f16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <8 x half> [[TMP0]]
//
v8h test_amdgcn_global_load_tr_v8f16(global v8h* inptr)
v8h test_amdgcn_global_load_tr_b128_v8f16(global v8h* inptr)
{
return __builtin_amdgcn_global_load_tr_v8f16(inptr);
return __builtin_amdgcn_global_load_tr_b128_v8f16(inptr);
}

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v8bf16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <8 x bfloat> @llvm.amdgcn.global.load.tr.v8bf16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <8 x bfloat> [[TMP0]]
//
v8bf16 test_amdgcn_global_load_tr_b128_v8bf16(global v8bf16* inptr)
{
return __builtin_amdgcn_global_load_tr_b128_v8bf16(inptr);
}
38 changes: 19 additions & 19 deletions clang/test/CodeGenOpenCL/builtins-amdgcn-global-load-tr-w64.cl
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Original file line number Diff line number Diff line change
Expand Up @@ -4,44 +4,44 @@

typedef half v4h __attribute__((ext_vector_type(4)));
typedef short v4s __attribute__((ext_vector_type(4)));
typedef __bf16 v4bf16 __attribute__((ext_vector_type(4)));

// Wave64

//
// amdgcn_global_load_tr
//

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_i32(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b64_i32(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call i32 @llvm.amdgcn.global.load.tr.i32(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret i32 [[TMP0]]
//
int test_amdgcn_global_load_tr_i32(global int* inptr)
int test_amdgcn_global_load_tr_b64_i32(global int* inptr)
{
return __builtin_amdgcn_global_load_tr_i32(inptr);
return __builtin_amdgcn_global_load_tr_b64_i32(inptr);
}

//
// amdgcn_global_load_tr
//

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_v4i16(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v4i16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <4 x i16> @llvm.amdgcn.global.load.tr.v4i16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <4 x i16> [[TMP0]]
//
v4s test_amdgcn_global_load_tr_v4i16(global v4s* inptr)
v4s test_amdgcn_global_load_tr_b128_v4i16(global v4s* inptr)
{
return __builtin_amdgcn_global_load_tr_v4i16(inptr);
return __builtin_amdgcn_global_load_tr_b128_v4i16(inptr);
}

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_v4f16(
// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v4f16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <4 x half> @llvm.amdgcn.global.load.tr.v4f16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <4 x half> [[TMP0]]
//
v4h test_amdgcn_global_load_tr_v4f16(global v4h* inptr)
v4h test_amdgcn_global_load_tr_b128_v4f16(global v4h* inptr)
{
return __builtin_amdgcn_global_load_tr_v4f16(inptr);
return __builtin_amdgcn_global_load_tr_b128_v4f16(inptr);
}

// CHECK-GFX1200-LABEL: @test_amdgcn_global_load_tr_b128_v4bf16(
// CHECK-GFX1200-NEXT: entry:
// CHECK-GFX1200-NEXT: [[TMP0:%.*]] = tail call <4 x bfloat> @llvm.amdgcn.global.load.tr.v4bf16(ptr addrspace(1) [[INPTR:%.*]])
// CHECK-GFX1200-NEXT: ret <4 x bfloat> [[TMP0]]
//
v4bf16 test_amdgcn_global_load_tr_b128_v4bf16(global v4bf16* inptr)
{
return __builtin_amdgcn_global_load_tr_b128_v4bf16(inptr);
}