Fix OptimizationLevel mapping for Os

yashssh · yashssh · commit cdd20160a3b2 · 2025-10-07T22:30:14.000-07:00
For Os LLVM defined speed level is 2 not 1. (https://github.com/llvm/llvm-project/blob/main/llvm/lib/Passes/OptimizationLevel.cpp) fixes #1306
diff --git a/ffi/newpassmanagers.cpp b/ffi/newpassmanagers.cpp
@@ -277,7 +277,7 @@ static OptimizationLevel mapLevel(int speed_level, int size_level) {
             llvm_unreachable("Invalid optimization level");
         }
     case 1:
-        if (speed_level == 1)
+        if (speed_level == 2)
             return OptimizationLevel::Os;
         llvm_unreachable("Invalid optimization level for size level 1");
     case 2:

Original file line number	Diff line number	Diff line change
`@@ -277,7 +277,7 @@ static OptimizationLevel mapLevel(int speed_level, int size_level) {`
`277`	`277`	`llvm_unreachable("Invalid optimization level");`
`278`	`278`	`}`
`279`	`279`	`case 1:`
`280`		`- if (speed_level == 1)`
	`280`	`+ if (speed_level == 2)`
`281`	`281`	`return OptimizationLevel::Os;`
`282`	`282`	`llvm_unreachable("Invalid optimization level for size level 1");`
`283`	`283`	`case 2:`