IRgen: Switch 'retval' to use CreateIRTemp.

llvm-svn: 96376
This commit is contained in:
Daniel Dunbar 2010-02-16 19:45:20 +00:00
parent 29a32dab4a
commit fd09df7839
2 changed files with 17 additions and 8 deletions

View File

@ -216,10 +216,10 @@ void CodeGenFunction::StartFunction(GlobalDecl GD, QualType RetTy,
} else if (CurFnInfo->getReturnInfo().getKind() == ABIArgInfo::Indirect &&
hasAggregateLLVMType(CurFnInfo->getReturnType())) {
// Indirect aggregate return; emit returned value directly into sret slot.
// This reduces code size, and is also affects correctness in C++.
// This reduces code size, and affects correctness in C++.
ReturnValue = CurFn->arg_begin();
} else {
ReturnValue = CreateTempAlloca(ConvertType(RetTy), "retval");
ReturnValue = CreateIRTemp(RetTy, "retval");
}
EmitStartEHSpec(CurCodeDecl);

View File

@ -1,19 +1,28 @@
// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
//
// CHECK: define void @f0
// CHECK: alloca %struct.s0, align 16
// CHECK: define void @f1
// CHECK: alloca %struct.s0, align 16
struct s0 {
int Start, End;
unsigned Alignment;
int TheStores __attribute__((aligned(16)));
};
// CHECK: define void @f0
// CHECK: alloca %struct.s0, align 16
extern "C" void f0() {
(void) s0();
}
// CHECK: define void @f1
// CHECK: alloca %struct.s0, align 16
extern "C" void f1() {
(struct s0) { 0, 0, 0, 0 };
(void) (struct s0) { 0, 0, 0, 0 };
}
// CHECK: define i64 @f2
// CHECK: alloca %struct.s1, align 2
struct s1 { short x; short y; };
extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
if (a)
return *x;
return *y;
}