[PATCH] D62697: AMDGPU: Disable errno by default

[Matt Arsenault via Phabricator via cfe-commits]

arsenm created this revision.
arsenm added a reviewer: yaxunl.
Herald added subscribers: t-tye, tpr, dstuttard, nhaehnle, wdng, jvesely, kzhuravl.

https://reviews.llvm.org/D62697

Files:
  lib/Driver/ToolChains/AMDGPU.h
  test/Driver/fast-math.c


Index: test/Driver/fast-math.c
===================================================================
--- test/Driver/fast-math.c
+++ test/Driver/fast-math.c
@@ -97,6 +97,12 @@
 // RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
 // RUN: %clang -### -target x86_64-linux-android -c %s 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
+// RUN: %clang -### -target amdgcn-amd-amdhsa -c %s 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
+// RUN: %clang -### -target amdgcn-amd-amdpal -c %s 2>&1 \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
+// RUN: %clang -### -target amdgcn-mesa-mesa3d -c %s 2>&1   \
+// RUN:   | FileCheck --check-prefix=CHECK-NO-MATH-ERRNO %s
 //
 // Check that -ffast-math disables -fmath-errno, and -fno-fast-math merely
 // preserves the target default. Also check various flag set operations between
Index: lib/Driver/ToolChains/AMDGPU.h
===================================================================
--- lib/Driver/ToolChains/AMDGPU.h
+++ lib/Driver/ToolChains/AMDGPU.h
@@ -57,6 +57,8 @@
                   const llvm::opt::ArgList &Args);
   unsigned GetDefaultDwarfVersion() const override { return 5; }
   bool IsIntegratedAssemblerDefault() const override { return true; }
+  bool IsMathErrnoDefault() const override { return false; }
+
   llvm::opt::DerivedArgList *
   TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
                 Action::OffloadKind DeviceOffloadKind) const override;


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