https://github.com/jmmartinez created 
https://github.com/llvm/llvm-project/pull/173969

Allows for type checking depending on the built-in signature.

There is no `f32` version for both builtins.

From 956bda1c3e633c81d507895a427fe95d19c0ad87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?=
 <[email protected]>
Date: Tue, 30 Dec 2025 09:50:38 +0100
Subject: [PATCH 1/2] Pre-commit tests: [Clang] Remove 't' from
 __builtin_amdgcn_global_atomic_fmin/fmax_f64

---
 .../SemaHIP/amdgpu-global-atomic-fmax-err.hip | 23 +++++++++++++++++++
 .../SemaHIP/amdgpu-global-atomic-fmin-err.hip | 23 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
 create mode 100644 clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip

diff --git a/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip 
b/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
new file mode 100644
index 0000000000000..633b3649cd608
--- /dev/null
+++ b/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -fsyntax-only -triple amdgcn -target-cpu gfx942 -verify %s 
-fcuda-is-device
+// RUN: %clang_cc1 -fsyntax-only -triple x86_64 -aux-triple amdgcn -verify %s
+// expected-no-diagnostics
+
+#define __device__ __attribute__((device))
+#define __shared__ __attribute__((shared))
+
+__device__ double global_double;
+
+__device__ void test_global_atomic_fmax_f64_valid(double *ptr, double val) {
+  double result;
+  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr, val);
+  result = __builtin_amdgcn_global_atomic_fmax_f64(&global_double, val);
+}
+
+__device__ void test_global_atomic_fmax_f64_errors(double *ptr, double val,
+                                                   __shared__ double *lds_ptr,
+                                                   float *ptr_f) {
+  double result;
+  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr, val, 0);
+  result = __builtin_amdgcn_global_atomic_fmax_f64(lds_ptr, val);
+  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr_f, val);
+}
diff --git a/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip 
b/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip
new file mode 100644
index 0000000000000..9cc1e4d31807e
--- /dev/null
+++ b/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip
@@ -0,0 +1,23 @@
+// RUN: %clang_cc1 -fsyntax-only -triple amdgcn -target-cpu gfx942 -verify %s 
-fcuda-is-device
+// RUN: %clang_cc1 -fsyntax-only -triple x86_64 -aux-triple amdgcn -verify %s
+// expected-no-diagnostics
+
+#define __device__ __attribute__((device))
+#define __shared__ __attribute__((shared))
+
+__device__ double global_double;
+
+__device__ void test_global_atomic_fmin_f64_valid(double *ptr, double val) {
+  double result;
+  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr, val);
+  result = __builtin_amdgcn_global_atomic_fmin_f64(&global_double, val);
+}
+
+__device__ void test_global_atomic_fmin_f64_errors(double *ptr, double val,
+                                                   __shared__ double *lds_ptr,
+                                                   float *ptr_f) {
+  double result;
+  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr, val, 0);
+  result = __builtin_amdgcn_global_atomic_fmin_f64(lds_ptr, val);
+  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr_f, val);
+}

From 7e24e86dedd9ad86c64b5ff94edf1de0e3b973e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Juan=20Manuel=20Martinez=20Caama=C3=B1o?=
 <[email protected]>
Date: Tue, 30 Dec 2025 09:47:08 +0100
Subject: [PATCH 2/2] [Clang] Remove 't' from
 __builtin_amdgcn_global_atomic_fmin/fmax_f64

---
 clang/include/clang/Basic/BuiltinsAMDGPU.def         | 4 ++--
 clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip | 5 ++---
 clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip | 5 ++---
 3 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/clang/include/clang/Basic/BuiltinsAMDGPU.def 
b/clang/include/clang/Basic/BuiltinsAMDGPU.def
index c4eb91af7933f..37bc4738302b7 100644
--- a/clang/include/clang/Basic/BuiltinsAMDGPU.def
+++ b/clang/include/clang/Basic/BuiltinsAMDGPU.def
@@ -269,8 +269,8 @@ TARGET_BUILTIN(__builtin_amdgcn_fmed3h, "hhhh", "nc", 
"gfx9-insts")
 TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fadd_f64, "dd*1d", "", 
"gfx90a-insts")
 TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fadd_f32, "ff*1f", "", 
"atomic-fadd-rtn-insts")
 TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fadd_v2f16, "V2hV2h*1V2h", "t", 
"atomic-buffer-global-pk-add-f16-insts")
-TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fmin_f64, "dd*1d", "t", 
"gfx90a-insts")
-TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fmax_f64, "dd*1d", "t", 
"gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fmin_f64, "dd*1d", "", 
"gfx90a-insts")
+TARGET_BUILTIN(__builtin_amdgcn_global_atomic_fmax_f64, "dd*1d", "", 
"gfx90a-insts")
 
 TARGET_BUILTIN(__builtin_amdgcn_flat_atomic_fadd_f64, "dd*0d", "", 
"gfx90a-insts")
 TARGET_BUILTIN(__builtin_amdgcn_flat_atomic_fmin_f64, "dd*0d", "", 
"gfx90a-insts")
diff --git a/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip 
b/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
index 633b3649cd608..f04c6e3221bcd 100644
--- a/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
+++ b/clang/test/SemaHIP/amdgpu-global-atomic-fmax-err.hip
@@ -1,6 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -triple amdgcn -target-cpu gfx942 -verify %s 
-fcuda-is-device
 // RUN: %clang_cc1 -fsyntax-only -triple x86_64 -aux-triple amdgcn -verify %s
-// expected-no-diagnostics
 
 #define __device__ __attribute__((device))
 #define __shared__ __attribute__((shared))
@@ -17,7 +16,7 @@ __device__ void test_global_atomic_fmax_f64_errors(double 
*ptr, double val,
                                                    __shared__ double *lds_ptr,
                                                    float *ptr_f) {
   double result;
-  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr, val, 0);
+  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr, val, 0); // 
expected-error{{too many arguments to function call, expected 2, have 3}}
   result = __builtin_amdgcn_global_atomic_fmax_f64(lds_ptr, val);
-  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr_f, val);
+  result = __builtin_amdgcn_global_atomic_fmax_f64(ptr_f, val); // 
expected-error{{cannot initialize a parameter of type}}
 }
diff --git a/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip 
b/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip
index 9cc1e4d31807e..3a63d513113b4 100644
--- a/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip
+++ b/clang/test/SemaHIP/amdgpu-global-atomic-fmin-err.hip
@@ -1,6 +1,5 @@
 // RUN: %clang_cc1 -fsyntax-only -triple amdgcn -target-cpu gfx942 -verify %s 
-fcuda-is-device
 // RUN: %clang_cc1 -fsyntax-only -triple x86_64 -aux-triple amdgcn -verify %s
-// expected-no-diagnostics
 
 #define __device__ __attribute__((device))
 #define __shared__ __attribute__((shared))
@@ -17,7 +16,7 @@ __device__ void test_global_atomic_fmin_f64_errors(double 
*ptr, double val,
                                                    __shared__ double *lds_ptr,
                                                    float *ptr_f) {
   double result;
-  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr, val, 0);
+  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr, val, 0); // 
expected-error{{too many arguments to function call, expected 2, have 3}}
   result = __builtin_amdgcn_global_atomic_fmin_f64(lds_ptr, val);
-  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr_f, val);
+  result = __builtin_amdgcn_global_atomic_fmin_f64(ptr_f, val); // 
expected-error{{cannot initialize a parameter of type}}
 }

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