1*f4a2713aSLionel Sambuc // REQUIRES: arm-registered-target 2*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple arm -target-abi aapcs %s -emit-llvm -o - | FileCheck -check-prefix=AAPCS %s 3*f4a2713aSLionel Sambuc // RUN: %clang_cc1 -triple arm -target-abi apcs-gnu %s -emit-llvm -o - | FileCheck -check-prefix=APCS-GNU %s 4*f4a2713aSLionel Sambuc /* 5*f4a2713aSLionel Sambuc * Check that va_arg accesses stack according to ABI alignment 6*f4a2713aSLionel Sambuc * long long and double require 8-byte alignment under AAPCS 7*f4a2713aSLionel Sambuc * however, they only require 4-byte alignment under APCS 8*f4a2713aSLionel Sambuc */ t1(int i,...)9*f4a2713aSLionel Sambuclong long t1(int i, ...) { 10*f4a2713aSLionel Sambuc // AAPCS: t1 11*f4a2713aSLionel Sambuc // APCS-GNU: t1 12*f4a2713aSLionel Sambuc __builtin_va_list ap; 13*f4a2713aSLionel Sambuc __builtin_va_start(ap, i); 14*f4a2713aSLionel Sambuc // AAPCS: add i32 %{{.*}} 7 15*f4a2713aSLionel Sambuc // AAPCS: and i32 %{{.*}} -8 16*f4a2713aSLionel Sambuc // APCS-GNU-NOT: add i32 %{{.*}} 7 17*f4a2713aSLionel Sambuc // APCS-GNU-NOT: and i32 %{{.*}} -8 18*f4a2713aSLionel Sambuc long long ll = __builtin_va_arg(ap, long long); 19*f4a2713aSLionel Sambuc __builtin_va_end(ap); 20*f4a2713aSLionel Sambuc return ll; 21*f4a2713aSLionel Sambuc } t2(int i,...)22*f4a2713aSLionel Sambucdouble t2(int i, ...) { 23*f4a2713aSLionel Sambuc // AAPCS: t2 24*f4a2713aSLionel Sambuc // APCS-GNU: t2 25*f4a2713aSLionel Sambuc __builtin_va_list ap; 26*f4a2713aSLionel Sambuc __builtin_va_start(ap, i); 27*f4a2713aSLionel Sambuc // AAPCS: add i32 %{{.*}} 7 28*f4a2713aSLionel Sambuc // AAPCS: and i32 %{{.*}} -8 29*f4a2713aSLionel Sambuc // APCS-GNU-NOT: add i32 %{{.*}} 7 30*f4a2713aSLionel Sambuc // APCS-GNU-NOT: and i32 %{{.*}} -8 31*f4a2713aSLionel Sambuc double ll = __builtin_va_arg(ap, double); 32*f4a2713aSLionel Sambuc __builtin_va_end(ap); 33*f4a2713aSLionel Sambuc return ll; 34*f4a2713aSLionel Sambuc } 35