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-rw-r--r--llvm/lib/LTO/LTOCodeGenerator.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/LTO/LTOCodeGenerator.cpp b/llvm/lib/LTO/LTOCodeGenerator.cpp
index 1120ad84746..7f3d30a1e90 100644
--- a/llvm/lib/LTO/LTOCodeGenerator.cpp
+++ b/llvm/lib/LTO/LTOCodeGenerator.cpp
@@ -185,17 +185,18 @@ void LTOCodeGenerator::setOptLevel(unsigned Level) {
switch (OptLevel) {
case 0:
CGOptLevel = CodeGenOpt::None;
- break;
+ return;
case 1:
CGOptLevel = CodeGenOpt::Less;
- break;
+ return;
case 2:
CGOptLevel = CodeGenOpt::Default;
- break;
+ return;
case 3:
CGOptLevel = CodeGenOpt::Aggressive;
- break;
+ return;
}
+ llvm_unreachable("Unknown optimization level!");
}
bool LTOCodeGenerator::writeMergedModules(const char *Path) {
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