diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp index 7bad4972c4f..105b1360ac2 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyISelLowering.cpp @@ -270,6 +270,11 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering( MaxStoresPerMemset = 1; MaxStoresPerMemsetOptSize = 1; } + + // Always convert switches to br_tables unless there is only one case, which + // is equivalent to a simple branch. This reduces code size for wasm, and we + // defer possible jump table optimizations to the VM. + setMinimumJumpTableEntries(2); } TargetLowering::AtomicExpansionKind |
