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ARM/APCS: Pass Complex types following llvm-gcc. 

llvm-svn: 95029
This commit is contained in:
Daniel Dunbar 2010-02-01 23:31:19 +00:00
parent 0972067c93
commit eedf151cb1
2 changed files with 27 additions and 0 deletions
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8
clang/lib/CodeGen/TargetInfo.cpp
View File

@ -1661,6 +1661,14 @@ ABIArgInfo ARMABIInfo::classifyReturnType(QualType RetTy,
if (isEmptyRecord(Context, RetTy, false))
return ABIArgInfo::getIgnore();
// Complex types are all returned as packed integers.
//
// FIXME: Consider using 2 x vector types if the back end handles them
// correctly.
if (RetTy->isAnyComplexType())
return ABIArgInfo::getCoerce(llvm::IntegerType::get(
VMContext, Context.getTypeSize(RetTy)));
// Integer like structures are returned in r0.
if (isIntegerLikeType(RetTy, Context, VMContext)) {
// Return in the smallest viable integer type.

19
clang/test/CodeGen/arm-arguments.c
View File

@ -119,3 +119,22 @@ struct s20 f20(void) {}
// AAPCS: define arm_aapcscc i32 @f21()
struct s21 { struct {} f1; int f0 : 4; };
struct s21 f21(void) {}
// APCS-GNU: define arm_apcscc i16 @f22()
// APCS-GNU: define arm_apcscc i32 @f23()
// APCS-GNU: define arm_apcscc i64 @f24()
// APCS-GNU: define arm_apcscc i128 @f25()
// APCS-GNU: define arm_apcscc i64 @f26()
// APCS-GNU: define arm_apcscc i128 @f27()
// AAPCS: define arm_aapcscc i16 @f22()
// AAPCS: define arm_aapcscc i32 @f23()
// AAPCS: define arm_aapcscc void @f24({{.*}} noalias sret
// AAPCS: define arm_aapcscc void @f25({{.*}} noalias sret
// AAPCS: define arm_aapcscc void @f26({{.*}} noalias sret
// AAPCS: define arm_aapcscc void @f27({{.*}} noalias sret
_Complex char f22(void) {}
_Complex short f23(void) {}
_Complex int f24(void) {}
_Complex long long f25(void) {}
_Complex float f26(void) {}
_Complex double f27(void) {}