https://github.com/shiltian updated
https://github.com/llvm/llvm-project/pull/95276
>From 5bf43d825870999bbb762304e6f407bd0ce1403b Mon Sep 17 00:00:00 2001
From: Shilei Tian <i...@tianshilei.me>
Date: Tue, 18 Jun 2024 20:49:44 -0400
Subject: [PATCH] [Clang][AMDGPU] Add a builtin for
`llvm.amdgcn.make.buffer.rsrc` intrinsic
Depends on #94830.
---
clang/include/clang/Basic/Builtins.def | 1 +
clang/include/clang/Basic/BuiltinsAMDGPU.def | 2 +
clang/lib/AST/ASTContext.cpp | 4 +
clang/lib/CodeGen/CGBuiltin.cpp | 13 +++
.../CodeGenHIP/builtins-make-buffer-rsrc.hip | 105 ++++++++++++++++++
.../builtins-amdgcn-make-buffer-rsrc.cl | 93 ++++++++++++++++
6 files changed, 218 insertions(+)
create mode 100644 clang/test/CodeGenHIP/builtins-make-buffer-rsrc.hip
create mode 100644 clang/test/CodeGenOpenCL/builtins-amdgcn-make-buffer-rsrc.cl
diff --git a/clang/include/clang/Basic/Builtins.def
b/clang/include/clang/Basic/Builtins.def
index f356f881d5ef9..d2d500c990b99 100644
--- a/clang/include/clang/Basic/Builtins.def
+++ b/clang/include/clang/Basic/Builtins.def
@@ -33,6 +33,7 @@
// q -> Scalable vector, followed by the number of elements and the base type.
// Q -> target builtin type, followed by a character to distinguish the
builtin type
// Qa -> AArch64 svcount_t builtin type.
+// Qb -> AMDGPU __amdgpu_buffer_rsrc_t builtin type.
// E -> ext_vector, followed by the number of elements and the base type.
// X -> _Complex, followed by the base type.
// Y -> ptrdiff_t
diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def
b/clang/include/clang/Basic/BuiltinsAMDGPU.def
index 9e6800ea814a0..a73e63355cfd7 100644
--- a/clang/include/clang/Basic/BuiltinsAMDGPU.def
+++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -148,6 +148,8 @@ BUILTIN(__builtin_amdgcn_qsad_pk_u16_u8, "WUiWUiUiWUi",
"nc")
BUILTIN(__builtin_amdgcn_mqsad_pk_u16_u8, "WUiWUiUiWUi", "nc")
BUILTIN(__builtin_amdgcn_mqsad_u32_u8, "V4UiWUiUiV4Ui", "nc")
+BUILTIN(__builtin_amdgcn_make_buffer_rsrc, "Qbv*sii", "nc")
+
//===----------------------------------------------------------------------===//
// Ballot builtins.
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index a4e6d3b108c8a..fa12802c8cc34 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -11546,6 +11546,10 @@ static QualType DecodeTypeFromStr(const char *&Str,
const ASTContext &Context,
Type = Context.SveCountTy;
break;
}
+ case 'b': {
+ Type = Context.AMDGPUBufferRsrcTy;
+ break;
+ }
default:
llvm_unreachable("Unexpected target builtin type");
}
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 08a89bd123d03..51b182080f0fc 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -615,6 +615,17 @@ static Value *emitTernaryBuiltin(CodeGenFunction &CGF,
return CGF.Builder.CreateCall(F, { Src0, Src1, Src2 });
}
+static Value *emitQuaternaryBuiltin(CodeGenFunction &CGF, const CallExpr *E,
+ unsigned IntrinsicID) {
+ llvm::Value *Src0 = CGF.EmitScalarExpr(E->getArg(0));
+ llvm::Value *Src1 = CGF.EmitScalarExpr(E->getArg(1));
+ llvm::Value *Src2 = CGF.EmitScalarExpr(E->getArg(2));
+ llvm::Value *Src3 = CGF.EmitScalarExpr(E->getArg(3));
+
+ Function *F = CGF.CGM.getIntrinsic(IntrinsicID, Src0->getType());
+ return CGF.Builder.CreateCall(F, {Src0, Src1, Src2, Src3});
+}
+
// Emit an intrinsic that has 1 float or double operand, and 1 integer.
static Value *emitFPIntBuiltin(CodeGenFunction &CGF,
const CallExpr *E,
@@ -19111,6 +19122,8 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned
BuiltinID,
CGM.getIntrinsic(Intrinsic::amdgcn_s_sendmsg_rtn, {ResultType});
return Builder.CreateCall(F, {Arg});
}
+ case AMDGPU::BI__builtin_amdgcn_make_buffer_rsrc:
+ return emitQuaternaryBuiltin(*this, E, Intrinsic::amdgcn_make_buffer_rsrc);
default:
return nullptr;
}
diff --git a/clang/test/CodeGenHIP/builtins-make-buffer-rsrc.hip
b/clang/test/CodeGenHIP/builtins-make-buffer-rsrc.hip
new file mode 100644
index 0000000000000..c1a30633f3d0a
--- /dev/null
+++ b/clang/test/CodeGenHIP/builtins-make-buffer-rsrc.hip
@@ -0,0 +1,105 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
UTC_ARGS: --version 5
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -target-cpu verde -emit-llvm
-disable-llvm-optzns -fcuda-is-device -o - %s | FileCheck %s
+
+#define __device__ __attribute__((device))
+
+// CHECK-LABEL: define dso_local ptr addrspace(8)
@_Z31test_amdgcn_make_buffer_rsrc_p0Pvsii(
+// CHECK-SAME: ptr noundef [[P:%.*]], i16 noundef signext [[STRIDE:%.*]], i32
noundef [[NUM:%.*]], i32 noundef [[FLAGS:%.*]]) #[[ATTR0:[0-9]+]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[RETVAL:%.*]] = alloca ptr addrspace(8), align 16,
addrspace(5)
+// CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
+// CHECK-NEXT: [[STRIDE_ADDR:%.*]] = alloca i16, align 2, addrspace(5)
+// CHECK-NEXT: [[NUM_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[FLAGS_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[RETVAL]] to ptr
+// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[P_ADDR]] to ptr
+// CHECK-NEXT: [[STRIDE_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[STRIDE_ADDR]] to ptr
+// CHECK-NEXT: [[NUM_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[NUM_ADDR]] to ptr
+// CHECK-NEXT: [[FLAGS_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[FLAGS_ADDR]] to ptr
+// CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: store i16 [[STRIDE]], ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: store i32 [[NUM]], ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: store i32 [[FLAGS]], ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load i16, ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP3:%.*]] = load i32, ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP4:%.*]] = call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[TMP0]], i16 [[TMP1]], i32 [[TMP2]], i32
[[TMP3]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP4]]
+//
+__device__ __amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p0(void *p,
short stride, int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, flags);
+}
+
+// CHECK-LABEL: define dso_local ptr addrspace(8)
@_Z47test_amdgcn_make_buffer_rsrc_p0_stride_constantPvii(
+// CHECK-SAME: ptr noundef [[P:%.*]], i32 noundef [[NUM:%.*]], i32 noundef
[[FLAGS:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[RETVAL:%.*]] = alloca ptr addrspace(8), align 16,
addrspace(5)
+// CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
+// CHECK-NEXT: [[NUM_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[FLAGS_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[RETVAL]] to ptr
+// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[P_ADDR]] to ptr
+// CHECK-NEXT: [[NUM_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[NUM_ADDR]] to ptr
+// CHECK-NEXT: [[FLAGS_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[FLAGS_ADDR]] to ptr
+// CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: store i32 [[NUM]], ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: store i32 [[FLAGS]], ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load i32, ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP3:%.*]] = call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[TMP0]], i16 4, i32 [[TMP1]], i32
[[TMP2]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP3]]
+//
+__device__ __amdgpu_buffer_rsrc_t
test_amdgcn_make_buffer_rsrc_p0_stride_constant(void *p, int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, /*stride=*/4, num, flags);
+}
+
+// CHECK-LABEL: define dso_local ptr addrspace(8)
@_Z44test_amdgcn_make_buffer_rsrc_p0_num_constantPvsi(
+// CHECK-SAME: ptr noundef [[P:%.*]], i16 noundef signext [[STRIDE:%.*]], i32
noundef [[FLAGS:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[RETVAL:%.*]] = alloca ptr addrspace(8), align 16,
addrspace(5)
+// CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
+// CHECK-NEXT: [[STRIDE_ADDR:%.*]] = alloca i16, align 2, addrspace(5)
+// CHECK-NEXT: [[FLAGS_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[RETVAL]] to ptr
+// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[P_ADDR]] to ptr
+// CHECK-NEXT: [[STRIDE_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[STRIDE_ADDR]] to ptr
+// CHECK-NEXT: [[FLAGS_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[FLAGS_ADDR]] to ptr
+// CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: store i16 [[STRIDE]], ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: store i32 [[FLAGS]], ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load i16, ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[FLAGS_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP3:%.*]] = call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[TMP0]], i16 [[TMP1]], i32 1234, i32
[[TMP2]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP3]]
+//
+__device__ __amdgpu_buffer_rsrc_t
test_amdgcn_make_buffer_rsrc_p0_num_constant(void *p, short stride, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, /*num=*/1234, flags);
+}
+
+// CHECK-LABEL: define dso_local ptr addrspace(8)
@_Z46test_amdgcn_make_buffer_rsrc_p0_flags_constantPvsi(
+// CHECK-SAME: ptr noundef [[P:%.*]], i16 noundef signext [[STRIDE:%.*]], i32
noundef [[NUM:%.*]]) #[[ATTR0]] {
+// CHECK-NEXT: [[ENTRY:.*:]]
+// CHECK-NEXT: [[RETVAL:%.*]] = alloca ptr addrspace(8), align 16,
addrspace(5)
+// CHECK-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 8, addrspace(5)
+// CHECK-NEXT: [[STRIDE_ADDR:%.*]] = alloca i16, align 2, addrspace(5)
+// CHECK-NEXT: [[NUM_ADDR:%.*]] = alloca i32, align 4, addrspace(5)
+// CHECK-NEXT: [[RETVAL_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[RETVAL]] to ptr
+// CHECK-NEXT: [[P_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[P_ADDR]] to ptr
+// CHECK-NEXT: [[STRIDE_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[STRIDE_ADDR]] to ptr
+// CHECK-NEXT: [[NUM_ADDR_ASCAST:%.*]] = addrspacecast ptr addrspace(5)
[[NUM_ADDR]] to ptr
+// CHECK-NEXT: store ptr [[P]], ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: store i16 [[STRIDE]], ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: store i32 [[NUM]], ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR_ASCAST]], align 8
+// CHECK-NEXT: [[TMP1:%.*]] = load i16, ptr [[STRIDE_ADDR_ASCAST]], align 2
+// CHECK-NEXT: [[TMP2:%.*]] = load i32, ptr [[NUM_ADDR_ASCAST]], align 4
+// CHECK-NEXT: [[TMP3:%.*]] = call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[TMP0]], i16 [[TMP1]], i32 [[TMP2]], i32
5678)
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP3]]
+//
+__device__ __amdgpu_buffer_rsrc_t
test_amdgcn_make_buffer_rsrc_p0_flags_constant(void *p, short stride, int num) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, /*flags=*/5678);
+}
diff --git a/clang/test/CodeGenOpenCL/builtins-amdgcn-make-buffer-rsrc.cl
b/clang/test/CodeGenOpenCL/builtins-amdgcn-make-buffer-rsrc.cl
new file mode 100644
index 0000000000000..2c7bc10fb609c
--- /dev/null
+++ b/clang/test/CodeGenOpenCL/builtins-amdgcn-make-buffer-rsrc.cl
@@ -0,0 +1,93 @@
+// NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py
+// REQUIRES: amdgpu-registered-target
+// RUN: %clang_cc1 -triple amdgcn-unknown-unknown -cl-std=CL2.0 -target-cpu
verde -emit-llvm -o - %s | FileCheck %s
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p0(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[P:%.*]], i16 [[STRIDE:%.*]], i32
[[NUM:%.*]], i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p0(void *p, short stride,
int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p0_stride_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[P:%.*]], i16 4, i32 [[NUM:%.*]], i32
[[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p0_stride_constant(void
*p, int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, /*stride=*/4, num, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p0_num_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[P:%.*]], i16 [[STRIDE:%.*]], i32 1234,
i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p0_num_constant(void *p,
short stride, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, /*num=*/1234, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p0_flags_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr [[P:%.*]], i16 [[STRIDE:%.*]], i32
[[NUM:%.*]], i32 5678)
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p0_flags_constant(void *p,
short stride, int num) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, /*flags=*/5678);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p1(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) [[P:%.*]], i16
[[STRIDE:%.*]], i32 [[NUM:%.*]], i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p1(global void *p, short
stride, int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p1_stride_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) [[P:%.*]], i16 4, i32
[[NUM:%.*]], i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p1_stride_constant(global
void *p, int num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, /*stride=*/4, num, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p1_num_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) [[P:%.*]], i16
[[STRIDE:%.*]], i32 1234, i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p1_num_constant(global
void *p, short stride, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, /*num=*/1234, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_rsrc_p1_flags_constant(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) [[P:%.*]], i16
[[STRIDE:%.*]], i32 [[NUM:%.*]], i32 5678)
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_rsrc_p1_flags_constant(global
void *p, short stride, int num) {
+ return __builtin_amdgcn_make_buffer_rsrc(p, stride, num, /*flags=*/5678);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_p0_nullptr(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p0(ptr null, i16 [[STRIDE:%.*]], i32 [[NUM:%.*]],
i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_p0_nullptr(short stride, int
num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc((void *)0LL, stride, num, flags);
+}
+
+// CHECK-LABEL: @test_amdgcn_make_buffer_p1_nullptr(
+// CHECK-NEXT: entry:
+// CHECK-NEXT: [[TMP0:%.*]] = tail call ptr addrspace(8)
@llvm.amdgcn.make.buffer.rsrc.p1(ptr addrspace(1) null, i16 [[STRIDE:%.*]], i32
[[NUM:%.*]], i32 [[FLAGS:%.*]])
+// CHECK-NEXT: ret ptr addrspace(8) [[TMP0]]
+//
+__amdgpu_buffer_rsrc_t test_amdgcn_make_buffer_p1_nullptr(short stride, int
num, int flags) {
+ return __builtin_amdgcn_make_buffer_rsrc((global void *)0LL, stride, num,
flags);
+}
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