[PATCH] D28409: Use CodegenOpts::less when creating a TargetMachine for clang `-O1`
Mehdi AMINI via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Fri Jan 6 12:48:33 PST 2017
mehdi_amini updated this revision to Diff 83404.
mehdi_amini added a comment.
clang-format
https://reviews.llvm.org/D28409
Files:
clang/lib/CodeGen/BackendUtil.cpp
Index: clang/lib/CodeGen/BackendUtil.cpp
===================================================================
--- clang/lib/CodeGen/BackendUtil.cpp
+++ clang/lib/CodeGen/BackendUtil.cpp
@@ -514,11 +514,22 @@
.Case("dynamic-no-pic", llvm::Reloc::DynamicNoPIC);
assert(RM.hasValue() && "invalid PIC model!");
- CodeGenOpt::Level OptLevel = CodeGenOpt::Default;
+ CodeGenOpt::Level OptLevel;
switch (CodeGenOpts.OptimizationLevel) {
- default: break;
- case 0: OptLevel = CodeGenOpt::None; break;
- case 3: OptLevel = CodeGenOpt::Aggressive; break;
+ default:
+ llvm_unreachable("Invalid optimization level!");
+ case 0:
+ OptLevel = CodeGenOpt::None;
+ break;
+ case 1:
+ OptLevel = CodeGenOpt::Less;
+ break;
+ case 2:
+ OptLevel = CodeGenOpt::Default;
+ break; // O2/Os/Oz
+ case 3:
+ OptLevel = CodeGenOpt::Aggressive;
+ break;
}
llvm::TargetOptions Options;
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