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Propagate a terrible hack to the sparc target feature handling code 

by erasing the soft-float target feature if the rest of the front
end added it because of defaults or the soft float option.

Add some testing for some of the targets that implement this hack.

llvm-svn: 236179
This commit is contained in:
Eric Christopher 2015-04-29 23:32:17 +00:00
parent 3d5925b0e4
commit fb481a4054
2 changed files with 9 additions and 3 deletions
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8
clang/lib/Basic/Targets.cpp
View File

@ -5319,9 +5319,11 @@ public:
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override {
SoftFloat = false;
for (unsigned i = 0, e = Features.size(); i != e; ++i)
if (Features[i] == "+soft-float")
SoftFloat = true;
auto Feature = std::find(Features.begin(), Features.end(), "+soft-float");
if (Feature != Features.end()) {
SoftFloat = true;
Features.erase(Feature);
}
return true;
}
void getTargetDefines(const LangOptions &Opts,

4
clang/test/CodeGen/function-target-features.c
View File

@ -9,6 +9,9 @@
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu corei7 -target-feature +avx | FileCheck %s -check-prefix=CORE-CPU-AND-FEATURES
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu x86-64 | FileCheck %s -check-prefix=X86-64-CPU
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s -target-cpu corei7-avx -target-feature -avx | FileCheck %s -check-prefix=AVX-MINUS-FEATURE
// RUN: %clang_cc1 -triple sparc-unknown-unknown -emit-llvm -o - %s -target-feature +soft-float | FileCheck %s -check-prefix=SOFT-FLOAT
// RUN: %clang_cc1 -triple arm-unknown-unknown -emit-llvm -o - %s -target-feature +soft-float | FileCheck %s -check-prefix=SOFT-FLOAT
// RUN: %clang_cc1 -triple mips-unknown-unknown -emit-llvm -o - %s -target-feature +soft-float | FileCheck %s -check-prefix=SOFT-FLOAT
void foo() {}
@ -19,3 +22,4 @@ void foo() {}
// CORE-CPU-AND-FEATURES: "target-cpu"="corei7" "target-features"={{.*}}+avx
// X86-64-CPU: "target-cpu"="x86-64"
// AVX-MINUS-FEATURE: "target-features"={{.*}}-avx
// SOFT-FLOAT-NOT: "target-features"={{.*}}+soft-float