llvmbot wrote:

<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-globalisel

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/96876.diff


2 Files Affected:

- (modified) clang/lib/CodeGen/CGBuiltin.cpp (+15-27) 
- (modified) clang/test/CodeGenOpenCL/builtins-fp-atomics-gfx90a.cl (+12-6) 


``````````diff
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 4bbb4375ee997..a3115bfa4d230 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -18655,32 +18655,6 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned 
BuiltinID,
     Src0 = Builder.CreatePointerBitCastOrAddrSpaceCast(Src0, PTy);
     return Builder.CreateCall(F, { Src0, Src1, Src2, Src3, Src4 });
   }
-  case AMDGPU::BI__builtin_amdgcn_global_atomic_fmin_f64:
-  case AMDGPU::BI__builtin_amdgcn_global_atomic_fmax_f64:
-  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmin_f64:
-  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmax_f64: {
-    Intrinsic::ID IID;
-    llvm::Type *ArgTy = llvm::Type::getDoubleTy(getLLVMContext());
-    switch (BuiltinID) {
-    case AMDGPU::BI__builtin_amdgcn_global_atomic_fmin_f64:
-      IID = Intrinsic::amdgcn_global_atomic_fmin;
-      break;
-    case AMDGPU::BI__builtin_amdgcn_global_atomic_fmax_f64:
-      IID = Intrinsic::amdgcn_global_atomic_fmax;
-      break;
-    case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmin_f64:
-      IID = Intrinsic::amdgcn_flat_atomic_fmin;
-      break;
-    case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmax_f64:
-      IID = Intrinsic::amdgcn_flat_atomic_fmax;
-      break;
-    }
-    llvm::Value *Addr = EmitScalarExpr(E->getArg(0));
-    llvm::Value *Val = EmitScalarExpr(E->getArg(1));
-    llvm::Function *F =
-        CGM.getIntrinsic(IID, {ArgTy, Addr->getType(), Val->getType()});
-    return Builder.CreateCall(F, {Addr, Val});
-  }
   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_v4i16:
@@ -19054,7 +19028,11 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned 
BuiltinID,
   case AMDGPU::BI__builtin_amdgcn_flat_atomic_fadd_f32:
   case AMDGPU::BI__builtin_amdgcn_flat_atomic_fadd_f64:
   case AMDGPU::BI__builtin_amdgcn_global_atomic_fadd_v2bf16:
-  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fadd_v2bf16: {
+  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fadd_v2bf16:
+  case AMDGPU::BI__builtin_amdgcn_global_atomic_fmin_f64:
+  case AMDGPU::BI__builtin_amdgcn_global_atomic_fmax_f64:
+  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmin_f64:
+  case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmax_f64: {
     llvm::AtomicRMWInst::BinOp BinOp;
     switch (BuiltinID) {
     case AMDGPU::BI__builtin_amdgcn_atomic_inc32:
@@ -19080,6 +19058,16 @@ Value *CodeGenFunction::EmitAMDGPUBuiltinExpr(unsigned 
BuiltinID,
     case AMDGPU::BI__builtin_amdgcn_flat_atomic_fadd_v2bf16:
       BinOp = llvm::AtomicRMWInst::FAdd;
       break;
+    case AMDGPU::BI__builtin_amdgcn_ds_fminf:
+    case AMDGPU::BI__builtin_amdgcn_global_atomic_fmin_f64:
+    case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmin_f64:
+      BinOp = llvm::AtomicRMWInst::FMin;
+      break;
+    case AMDGPU::BI__builtin_amdgcn_global_atomic_fmax_f64:
+    case AMDGPU::BI__builtin_amdgcn_flat_atomic_fmax_f64:
+    case AMDGPU::BI__builtin_amdgcn_ds_fmaxf:
+      BinOp = llvm::AtomicRMWInst::FMax;
+      break;
     }
 
     Address Ptr = CheckAtomicAlignment(*this, E);
diff --git a/clang/test/CodeGenOpenCL/builtins-fp-atomics-gfx90a.cl 
b/clang/test/CodeGenOpenCL/builtins-fp-atomics-gfx90a.cl
index 60a3033a36c17..cfc5adc57bf5e 100644
--- a/clang/test/CodeGenOpenCL/builtins-fp-atomics-gfx90a.cl
+++ b/clang/test/CodeGenOpenCL/builtins-fp-atomics-gfx90a.cl
@@ -27,7 +27,8 @@ void test_global_add_half2(__global half2 *addr, half2 x) {
 }
 
 // CHECK-LABEL: test_global_global_min_f64
-// CHECK: call double @llvm.amdgcn.global.atomic.fmin.f64.p1.f64(ptr 
addrspace(1) %{{.*}}, double %{{.*}})
+// CHECK: = atomicrmw fmin ptr addrspace(1) {{.+}}, double %{{.+}} 
syncscope("agent") seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A-LABEL:  test_global_global_min_f64$local
 // GFX90A:  global_atomic_min_f64
 void test_global_global_min_f64(__global double *addr, double x){
@@ -36,7 +37,8 @@ void test_global_global_min_f64(__global double *addr, double 
x){
 }
 
 // CHECK-LABEL: test_global_max_f64
-// CHECK: call double @llvm.amdgcn.global.atomic.fmax.f64.p1.f64(ptr 
addrspace(1) %{{.*}}, double %{{.*}})
+// CHECK: = atomicrmw fmax ptr addrspace(1) {{.+}}, double %{{.+}} 
syncscope("agent") seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A-LABEL:  test_global_max_f64$local
 // GFX90A:  global_atomic_max_f64
 void test_global_max_f64(__global double *addr, double x){
@@ -65,7 +67,8 @@ void test_flat_global_add_f64(__global double *addr, double 
x){
 }
 
 // CHECK-LABEL: test_flat_min_flat_f64
-// CHECK: call double @llvm.amdgcn.flat.atomic.fmin.f64.p0.f64(ptr %{{.*}}, 
double %{{.*}})
+// CHECK: = atomicrmw fmin ptr {{.+}}, double %{{.+}} syncscope("agent") 
seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A-LABEL:  test_flat_min_flat_f64$local
 // GFX90A:  flat_atomic_min_f64
 void test_flat_min_flat_f64(__generic double *addr, double x){
@@ -74,7 +77,8 @@ void test_flat_min_flat_f64(__generic double *addr, double x){
 }
 
 // CHECK-LABEL: test_flat_global_min_f64
-// CHECK: call double @llvm.amdgcn.flat.atomic.fmin.f64.p1.f64(ptr 
addrspace(1) %{{.*}}, double %{{.*}})
+// CHECK: = atomicrmw fmin ptr addrspace(1) {{.+}}, double %{{.+}} 
syncscope("agent") seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A:  test_flat_global_min_f64$local
 // GFX90A:  global_atomic_min_f64
 void test_flat_global_min_f64(__global double *addr, double x){
@@ -83,7 +87,8 @@ void test_flat_global_min_f64(__global double *addr, double 
x){
 }
 
 // CHECK-LABEL: test_flat_max_flat_f64
-// CHECK: call double @llvm.amdgcn.flat.atomic.fmax.f64.p0.f64(ptr %{{.*}}, 
double %{{.*}})
+// CHECK: = atomicrmw fmax ptr {{.+}}, double %{{.+}} syncscope("agent") 
seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A-LABEL:  test_flat_max_flat_f64$local
 // GFX90A:  flat_atomic_max_f64
 void test_flat_max_flat_f64(__generic double *addr, double x){
@@ -92,7 +97,8 @@ void test_flat_max_flat_f64(__generic double *addr, double x){
 }
 
 // CHECK-LABEL: test_flat_global_max_f64
-// CHECK: call double @llvm.amdgcn.flat.atomic.fmax.f64.p1.f64(ptr 
addrspace(1) %{{.*}}, double %{{.*}})
+// CHECK: = atomicrmw fmax ptr addrspace(1) {{.+}}, double %{{.+}} 
syncscope("agent") seq_cst, align 8, !amdgpu.no.fine.grained.memory !{{[0-9]+$}}
+
 // GFX90A-LABEL:  test_flat_global_max_f64$local
 // GFX90A:  global_atomic_max_f64
 void test_flat_global_max_f64(__global double *addr, double x){

``````````

</details>


https://github.com/llvm/llvm-project/pull/96876
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