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| author | Dan Gohman <dan433584@gmail.com> | 2015-11-13 00:21:05 +0000 |
|---|---|---|
| committer | Dan Gohman <dan433584@gmail.com> | 2015-11-13 00:21:05 +0000 |
| commit | 058fce5435464631a40cd8e92e347296c49eb46a (patch) | |
| tree | f805bc42d5b206e2864c87625d010aa1189b70e2 /llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h | |
| parent | cbc56baae6bf7cd948a4fe101290b849797b5dad (diff) | |
| download | bcm5719-llvm-058fce5435464631a40cd8e92e347296c49eb46a.tar.gz bcm5719-llvm-058fce5435464631a40cd8e92e347296c49eb46a.zip | |
[WebAssembly] Introduce a new pseudo-operand for unused expression results.
llvm-svn: 252975
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h b/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h index 81273c00471..475dcc33d78 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h +++ b/llvm/lib/Target/WebAssembly/WebAssemblyMachineFunctionInfo.h @@ -43,11 +43,11 @@ public: void addResult(MVT VT) { Results.push_back(VT); } const std::vector<MVT> &getResults() const { return Results; } - void initWARegs() { - assert(WARegs.empty()); - WARegs.resize(MF.getRegInfo().getNumVirtRegs(), -1u); - } + static const unsigned UnusedReg = -1u; + + void initWARegs(); void setWAReg(unsigned VReg, unsigned WAReg) { + assert(WAReg != UnusedReg); WARegs[TargetRegisterInfo::virtReg2Index(VReg)] = WAReg; } unsigned getWAReg(unsigned VReg) const { |
