[X86] Extend some Linux special cases to cover kFreeBSD.
Both Linux and kFreeBSD use glibc, so follow similiar code paths.
Add isTargetGlibc to check for this, and use it instead of isTargetLinux
in a few places.
Fixes PR22248 for kFreeBSD.
Differential Revision: http://reviews.llvm.org/D19104
llvm-svn: 268624
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index ad7c257..896856c 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -262,12 +262,12 @@
assert((!In64BitMode || HasX86_64) &&
"64-bit code requested on a subtarget that doesn't support it!");
- // Stack alignment is 16 bytes on Darwin, Linux and Solaris (both
+ // Stack alignment is 16 bytes on Darwin, Linux, kFreeBSD and Solaris (both
// 32 and 64 bit) and for all 64-bit targets.
if (StackAlignOverride)
stackAlignment = StackAlignOverride;
else if (isTargetDarwin() || isTargetLinux() || isTargetSolaris() ||
- In64BitMode)
+ isTargetKFreeBSD() || In64BitMode)
stackAlignment = 16;
}