Vendor import of llvm-project branch release/21.x llvmorg-21.1.8-0-g2078da43e25a, a.k.a. 21.1.8 release.vendor/llvm-project/llvmorg-21.1.8-0-g2078da43e25avendor/llvm-project/release-21.x

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp
index bc91c6424b63..fd13ef9a1921 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyRegStackify.cpp
@@ -866,6 +866,10 @@ bool WebAssemblyRegStackify::runOnMachineFunction(MachineFunction &MF) {
       if (Insert->isDebugValue())
         continue;
 
+      // Ignore FAKE_USEs, which are no-ops and will be deleted later.
+      if (Insert->isFakeUse())
+        continue;
+
       // Iterate through the inputs in reverse order, since we'll be pulling
       // operands off the stack in LIFO order.
       CommutingState Commuting;