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[WebAssembly] Disable 128-bit shift libcalls

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Currently the signature of the functions
i128(i128, i32) aka void(i32, i64, i64, i32) doesn't match the signature
of the call emitted by the default lowering, void(i32, i64, i64).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@268991 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Derek Schuff 2016-05-10 00:14:07 +00:00
parent 6d523e1b0e
commit 42a5196098
1 changed files with 7 additions and 0 deletions
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7
lib/Target/WebAssembly/WebAssemblyISelLowering.cpp
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@ -135,6 +135,13 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering(
// Trap lowers to wasm unreachable
setOperationAction(ISD::TRAP, MVT::Other, Legal);
// Disable 128-bit shift libcalls. Currently the signature of the functions
// i128(i128, i32) aka void(i32, i64, i64, i32) doesn't match the signature
// of the call emitted by the default lowering, void(i32, i64, i64).
setLibcallName(RTLIB::SRL_I128, nullptr);
setLibcallName(RTLIB::SRA_I128, nullptr);
setLibcallName(RTLIB::SHL_I128, nullptr);
}
FastISel *WebAssemblyTargetLowering::createFastISel(