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AMDGPU: Disable errno by default 

llvm-svn: 363682
This commit is contained in:
Matt Arsenault 2019-06-18 13:59:32 +00:00
parent 9483bcf781
commit d204987ada
2 changed files with 8 additions and 0 deletions
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2
clang/lib/Driver/ToolChains/AMDGPU.h
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@ -57,6 +57,8 @@ public:
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;

6
clang/test/Driver/fast-math.c
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@ -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