AMDGPU: Update for changed subtarget feature name

llvm-svn: 292838

Author: arsenm

clang/lib/Basic/Targets.cpp

@@ -2113,15 +2113,15 @@ class AMDGPUTargetInfo final : public TargetInfo {
     for (auto &I : TargetOpts.FeaturesAsWritten) {
       if (I == "+fp32-denormals" || I == "-fp32-denormals")
         hasFP32Denormals = true;
-      if (I == "+fp64-denormals" || I == "-fp64-denormals")
+      if (I == "+fp64-fp16-denormals" || I == "-fp64-fp16-denormals")
         hasFP64Denormals = true;
     }
     if (!hasFP32Denormals)
       TargetOpts.Features.push_back((Twine(hasFullSpeedFP32Denorms &&
           !CGOpts.FlushDenorm ? '+' : '-') + Twine("fp32-denormals")).str());
-    // Always do not flush fp64 denorms.
+    // Always do not flush fp64 or fp16 denorms.
     if (!hasFP64Denormals && hasFP64)
-      TargetOpts.Features.push_back("+fp64-denormals");
+      TargetOpts.Features.push_back("+fp64-fp16-denormals");
   }
 
   ArrayRef<Builtin::Info> getTargetBuiltins() const override {

clang/test/CodeGenOpenCL/denorms-are-zero.cl

@@ -1,19 +1,19 @@
 // RUN: %clang_cc1 -S -cl-denorms-are-zero -o - %s 2>&1
 // RUN: %clang_cc1 -emit-llvm -cl-denorms-are-zero -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck %s
 // RUN: %clang_cc1 -emit-llvm -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck %s --check-prefix=CHECK-DENORM
-// RUN: %clang_cc1 -emit-llvm -target-feature +fp32-denormals -target-feature -fp64-denormals -cl-denorms-are-zero -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck --check-prefix=CHECK-FEATURE %s
+// RUN: %clang_cc1 -emit-llvm -target-feature +fp32-denormals -target-feature -fp64-fp16-denormals -cl-denorms-are-zero -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck --check-prefix=CHECK-FEATURE %s
 
 // For non-amdgcn targets, this test just checks that the -cl-denorms-are-zero argument is accepted
 // by clang.  This option is currently a no-op, which is allowed by the
 // OpenCL specification.
 
 // For amdgcn target cpu fiji, fp32 should be flushed since fiji does not support fp32 denormals, unless +fp32-denormals is
-// explicitly set. amdgcn target always do not flush fp64 denormals.
+// explicitly set. amdgcn target always do not flush fp64 denormals. The control for fp64 and fp16 denormals is the same.
 
 // CHECK-DENORM-LABEL: define void @f()
-// CHECK-DENORM: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp64-denormals,{{[^"]*}}-fp32-denormals{{[^"]*}}"
+// CHECK-DENORM: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp64-fp16-denormals,{{[^"]*}}-fp32-denormals{{[^"]*}}"
 // CHECK-LABEL: define void @f()
-// CHECK: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp64-denormals,{{[^"]*}}-fp32-denormals{{[^"]*}}"
+// CHECK: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp64-fp16-denormals,{{[^"]*}}-fp32-denormals{{[^"]*}}"
 // CHECK-FEATURE-LABEL: define void @f()
-// CHECK-FEATURE: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp32-denormals,{{[^"]*}}-fp64-denormals{{[^"]*}}"
+// CHECK-FEATURE: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp32-denormals,{{[^"]*}}-fp64-fp16-denormals{{[^"]*}}"
 void f() {}