Fix function alignment at -Os on x86 to be 1, not 2. getFunctionAlignment

returns a log2 value.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79293 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index e3fce7961c11a765a43afda43303d66f136ba01a..cb5a74fa40fe57bf79ac22297cbb818df1892d8e 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -1052,7 +1052,7 @@ SDValue X86TargetLowering::getPICJumpTableRelocBase(SDValue Table,
 
 /// getFunctionAlignment - Return the Log2 alignment of this function.
 unsigned X86TargetLowering::getFunctionAlignment(const Function *F) const {
-  return F->hasFnAttr(Attribute::OptimizeForSize) ? 1 : 4;
+  return F->hasFnAttr(Attribute::OptimizeForSize) ? 0 : 4;
 }
 
 //===----------------------------------------------------------------------===//