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-rw-r--r--llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
index 56da3ec..03b70f3 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyExplicitLocals.cpp
@@ -313,6 +313,8 @@ bool WebAssemblyExplicitLocals::runOnMachineFunction(MachineFunction &MF) {
.addReg(NewReg);
// After the drop instruction, this reg operand will not be used
Drop->getOperand(0).setIsKill();
+ if (MFI.isFrameBaseVirtual() && OldReg == MFI.getFrameBaseVreg())
+ MFI.clearFrameBaseVreg();
} else {
unsigned LocalId = getLocalId(Reg2Local, MFI, CurLocal, OldReg);
unsigned Opc = getLocalSetOpcode(RC);