[mips] Correct size_t and ptrdiff_t for N32.
Summary: Correct size_t to be unsigned int and ptrdiff_t to be signed long. The types were the correct size before this change but the exact type matters for name mangling and exception handling in C++. Reviewers: atanasyan Reviewed By: atanasyan Differential Revision: http://reviews.llvm.org/D3470 llvm-svn: 207093
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@ -5777,32 +5777,44 @@ class Mips64TargetInfoBase : public MipsTargetInfoBase {
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public:
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Mips64TargetInfoBase(const llvm::Triple &Triple)
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: MipsTargetInfoBase(Triple, "n64", "mips64r2") {
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LongWidth = LongAlign = 64;
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PointerWidth = PointerAlign = 64;
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LongDoubleWidth = LongDoubleAlign = 128;
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LongDoubleFormat = &llvm::APFloat::IEEEquad;
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if (getTriple().getOS() == llvm::Triple::FreeBSD) {
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LongDoubleWidth = LongDoubleAlign = 64;
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LongDoubleFormat = &llvm::APFloat::IEEEdouble;
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}
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setN64ABITypes();
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SuitableAlign = 128;
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MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
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}
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void setN64ABITypes() {
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LongWidth = LongAlign = 64;
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PointerWidth = PointerAlign = 64;
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SizeType = UnsignedLong;
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PtrDiffType = SignedLong;
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}
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void setN32ABITypes() {
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LongWidth = LongAlign = 32;
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PointerWidth = PointerAlign = 32;
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SizeType = UnsignedInt;
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PtrDiffType = SignedInt;
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}
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bool setABI(const std::string &Name) override {
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if (Name == "n32") {
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LongWidth = LongAlign = 32;
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PointerWidth = PointerAlign = 32;
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setN32ABITypes();
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ABI = Name;
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return true;
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} else if (Name == "n64") {
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ABI = Name;
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return true;
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} else if (Name == "64") {
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} else if (Name == "n64" || Name == "64") {
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setN64ABITypes();
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ABI = "n64";
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return true;
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} else
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return false;
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}
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return false;
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override {
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MipsTargetInfoBase::getTargetDefines(Opts, Builder);
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@ -0,0 +1,49 @@
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// RUN: %clang_cc1 -x c++ -emit-llvm -triple=mips-unknown-linux-gnu < %s | FileCheck --check-prefix=O32 %s
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// RUN: %clang_cc1 -x c++ -emit-llvm -triple=mips64-unknown-linux-gnu -target-abi n32 < %s | FileCheck --check-prefix=N32 %s
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// RUN: %clang_cc1 -x c++ -emit-llvm -triple=mips64-unknown-linux-gnu -target-abi 64 < %s | FileCheck --check-prefix=N64 %s
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// Test that the size_t is correct for the ABI. It's not sufficient to be the
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// correct size, it must be the same type for correct name mangling.
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long *alloc_long() {
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long *rv = new long; // size_t is implicit in the new operator
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return rv;
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}
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// O32-LABEL: define i32* @_Z10alloc_longv()
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// O32: call noalias i8* @_Znwj(i32 4)
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// N32-LABEL: define i32* @_Z10alloc_longv()
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// N32: call noalias i8* @_Znwj(i32 4)
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// N64-LABEL: define i64* @_Z10alloc_longv()
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// N64: call noalias i8* @_Znwm(i64 8)
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long *alloc_long_array() {
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long *rv = new long[2];
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return rv;
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}
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// O32-LABEL: define i32* @_Z16alloc_long_arrayv()
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// O32: call noalias i8* @_Znaj(i32 8)
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// N32-LABEL: define i32* @_Z16alloc_long_arrayv()
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// N32: call noalias i8* @_Znaj(i32 8)
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// N64-LABEL: define i64* @_Z16alloc_long_arrayv()
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// N64: call noalias i8* @_Znam(i64 16)
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#include <stddef.h>
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void size_t_arg(size_t a) {
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}
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// O32-LABEL: _Z10size_t_argj
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// N32-LABEL: _Z10size_t_argj
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// N64-LABEL: _Z10size_t_argm
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void ptrdiff_t_arg(ptrdiff_t a) {
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}
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// O32-LABEL: _Z13ptrdiff_t_argi
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// N32-LABEL: _Z13ptrdiff_t_argi
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// N64-LABEL: _Z13ptrdiff_t_argl
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