Make the ARM ABI selectable via SubtargetFeature.
This patch makes it possible to select the ABI with -mattr. It will be used to
forward clang's -target-abi option to llvm's CodeGen.
llvm-svn: 198304
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 4893973..8c471dc 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -217,6 +217,7 @@
public:
enum {
+ ARM_ABI_UNKNOWN,
ARM_ABI_APCS,
ARM_ABI_AAPCS // ARM EABI
} TargetABI;
@@ -326,8 +327,14 @@
TargetTriple.getEnvironment() == Triple::EABIHF;
}
- bool isAPCS_ABI() const { return TargetABI == ARM_ABI_APCS; }
- bool isAAPCS_ABI() const { return TargetABI == ARM_ABI_AAPCS; }
+ bool isAPCS_ABI() const {
+ assert(TargetABI != ARM_ABI_UNKNOWN);
+ return TargetABI == ARM_ABI_APCS;
+ }
+ bool isAAPCS_ABI() const {
+ assert(TargetABI != ARM_ABI_UNKNOWN);
+ return TargetABI == ARM_ABI_AAPCS;
+ }
bool isThumb() const { return InThumbMode; }
bool isThumb1Only() const { return InThumbMode && !HasThumb2; }