diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp index 8b73e827856..937d272d213 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp @@ -83,13 +83,22 @@ extern "C" void LLVMInitializeWebAssemblyTarget() { // WebAssembly Lowering public interface. //===----------------------------------------------------------------------===// -static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM) { +static Reloc::Model getEffectiveRelocModel(Optional<Reloc::Model> RM, + const Triple &TT) { if (!RM.hasValue()) { // Default to static relocation model. This should always be more optimial // than PIC since the static linker can determine all global addresses and // assume direct function calls. return Reloc::Static; } + + if (!TT.isOSEmscripten()) { + // Relocation modes other than static are currently implemented in a way + // that only works for Emscripten, so disable them if we aren't targeting + // Emscripten. + return Reloc::Static; + } + return *RM; } @@ -102,7 +111,7 @@ WebAssemblyTargetMachine::WebAssemblyTargetMachine( : LLVMTargetMachine(T, TT.isArch64Bit() ? "e-m:e-p:64:64-i64:64-n32:64-S128" : "e-m:e-p:32:32-i64:64-n32:64-S128", - TT, CPU, FS, Options, getEffectiveRelocModel(RM), + TT, CPU, FS, Options, getEffectiveRelocModel(RM, TT), getEffectiveCodeModel(CM, CodeModel::Large), OL), TLOF(new WebAssemblyTargetObjectFile()) { // WebAssembly type-checks instructions, but a noreturn function with a return |
