2c17e82bc7
Adjust target features for amdgcn target when -cl-denorms-are-zero is set. Denormal support is controlled by feature strings fp32-denormals fp64-denormals in amdgcn target. If -cl-denorms-are-zero is not set and the command line does not set fp32/64-denormals feature string, +fp32-denormals +fp64-denormals will be on for GPU's supporting them. A new virtual function virtual void TargetInfo::adjustTargetOptions(const CodeGenOptions &CGOpts, TargetOptions &TargetOpts) const is introduced to allow adjusting target option by codegen option. Differential Revision: https://reviews.llvm.org/D22815 llvm-svn: 278151
14 lines
818 B
Common Lisp
14 lines
818 B
Common Lisp
// RUN: %clang_cc1 -S -cl-denorms-are-zero -o - %s 2>&1
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// RUN: %clang_cc1 -emit-llvm -cl-denorms-are-zero -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck %s
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// RUN: %clang_cc1 -emit-llvm -o - -triple amdgcn--amdhsa -target-cpu fiji %s | FileCheck %s --check-prefix=CHECK-DENORM
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// For non-amdgcn targets, this test just checks that the -cl-denorms-are-zero argument is accepted
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// by clang. This option is currently a no-op, which is allowed by the
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// OpenCL specification.
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// CHECK-DENORM-LABEL: define void @f()
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// CHECK-DENORM: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp32-denormals,+fp64-denormals{{[^"]*}}"
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// CHECK-LABEL: define void @f()
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// CHECK-NOT: attributes #{{[0-9]*}} = {{{[^}]*}} "target-features"="{{[^"]*}}+fp32-denormals,+fp64-denormals{{[^"]*}}"
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void f() {}
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