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1// REQUIRES: arm-registered-target2// RUN: %clang_cc1 -triple arm -target-abi aapcs %s -emit-llvm -o - | FileCheck -check-prefix=AAPCS %s3// RUN: %clang_cc1 -triple arm -target-abi apcs-gnu %s -emit-llvm -o - | FileCheck -check-prefix=APCS-GNU %s4/*5 * Check that va_arg accesses stack according to ABI alignment6 * long long and double require 8-byte alignment under AAPCS7 * however, they only require 4-byte alignment under APCS8 */9long long t1(int i, ...) {10 // AAPCS: t111 // APCS-GNU: t112 __builtin_va_list ap;13 __builtin_va_start(ap, i);14 // AAPCS: [[ADD:%.*]] = getelementptr inbounds i8, ptr %argp.cur, i32 715 // AAPCS = call ptr @llvm.ptrmask.p0.i32(ptr [[ADD]], i32 -8)16 17 // APCS-GNU-NOT: getelementptr {{.*}}, i32 718 // APCS-GNU-NOT: llvm.ptrmask.p019 long long ll = __builtin_va_arg(ap, long long);20 __builtin_va_end(ap);21 return ll;22}23double t2(int i, ...) {24 // AAPCS: t225 // APCS-GNU: t226 __builtin_va_list ap;27 __builtin_va_start(ap, i);28 // AAPCS: [[ADD:%.*]] = getelementptr inbounds i8, ptr %argp.cur, i32 729 // AAPCS = call ptr @llvm.ptrmask.p0.i32(ptr [[ADD]], i32 -8)30 31 // APCS-GNU-NOT: getelementptr {{.*}}, i32 732 // APCS-GNU-NOT: llvm.ptrmask.p033 double ll = __builtin_va_arg(ap, double);34 __builtin_va_end(ap);35 return ll;36}37