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[Driver] Use llvm::Triple methods to handle -EL and -EB. 

Add a test for ppc64(le), which wasn't handled before.

llvm-svn: 241528
This commit is contained in:
Benjamin Kramer 2015-07-06 23:59:45 +00:00
parent 4ea14a671d
commit 1a15f2ec57
2 changed files with 15 additions and 12 deletions
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18
clang/lib/Driver/Driver.cpp
View File

@ -1932,19 +1932,13 @@ static llvm::Triple computeTargetTriple(StringRef DefaultTargetTriple,
if (Arg *A = Args.getLastArg(options::OPT_mlittle_endian,
options::OPT_mbig_endian)) {
if (A->getOption().matches(options::OPT_mlittle_endian)) {
if (Target.getArch() == llvm::Triple::mips)
Target.setArch(llvm::Triple::mipsel);
else if (Target.getArch() == llvm::Triple::mips64)
Target.setArch(llvm::Triple::mips64el);
else if (Target.getArch() == llvm::Triple::aarch64_be)
Target.setArch(llvm::Triple::aarch64);
llvm::Triple LE = Target.getLittleEndianArchVariant();
if (LE.getArch() != llvm::Triple::UnknownArch)
Target = std::move(LE);
} else {
if (Target.getArch() == llvm::Triple::mipsel)
Target.setArch(llvm::Triple::mips);
else if (Target.getArch() == llvm::Triple::mips64el)
Target.setArch(llvm::Triple::mips64);
else if (Target.getArch() == llvm::Triple::aarch64)
Target.setArch(llvm::Triple::aarch64_be);
llvm::Triple BE = Target.getBigEndianArchVariant();
if (BE.getArch() != llvm::Triple::UnknownArch)
Target = std::move(BE);
}
}

9
clang/test/Driver/ppc-endian.c Normal file
View File

@ -0,0 +1,9 @@
// RUN: %clang -target powerpc64le -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-LE %s
// RUN: %clang -target powerpc64le -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-LE %s
// RUN: %clang -target powerpc64 -mlittle-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-LE %s
// CHECK-LE: "-cc1"{{.*}} "-triple" "powerpc64le{{.*}}"
// RUN: %clang -target powerpc64 -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE %s
// RUN: %clang -target powerpc64 -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE %s
// RUN: %clang -target powerpc64le -mbig-endian -### -c %s 2>&1 | FileCheck -check-prefix=CHECK-BE %s
// CHECK-BE: "-cc1"{{.*}} "-triple" "powerpc64{{.*}}"