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1// REQUIRES: powerpc-registered-target2// REQUIRES: asserts3// RUN: %clang_cc1 -triple powerpc64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s4// RUN: %clang_cc1 -triple powerpc-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-PPC5// RUN: %clang_cc1 -triple powerpc64-ibm-aix-xcoff -emit-llvm -o - %s | FileCheck %s6 7#include <stdarg.h>8 9struct x {10 long a;11 double b;12};13 14void testva (int n, ...)15{16 va_list ap;17 18 struct x t = va_arg (ap, struct x);19// CHECK: call void @llvm.memcpy20 21// CHECK-PPC: [[ARRAYDECAY:%.+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 022// CHECK-PPC-NEXT: [[GPRPTR:%.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 023// CHECK-PPC-NEXT: [[GPR:%.+]] = load i8, ptr [[GPRPTR]], align 424// CHECK-PPC-NEXT: [[COND:%.+]] = icmp ult i8 [[GPR]], 825// CHECK-PPC-NEXT: br i1 [[COND]], label %[[USING_REGS:[a-z_0-9]+]], label %[[USING_OVERFLOW:[a-z_0-9]+]]26//27// CHECK-PPC:[[USING_REGS]]28// CHECK-PPC-NEXT: [[REGSAVE_AREA_P:%.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 429// CHECK-PPC-NEXT: [[REGSAVE_AREA:%.+]] = load ptr, ptr [[REGSAVE_AREA_P]], align 430// CHECK-PPC-NEXT: [[OFFSET:%.+]] = mul i8 [[GPR]], 431// CHECK-PPC-NEXT: [[RAW_REGADDR:%.+]] = getelementptr inbounds i8, ptr [[REGSAVE_AREA]], i8 [[OFFSET]]32// CHECK-PPC-NEXT: [[USED_GPR:%[0-9]+]] = add i8 [[GPR]], 133// CHECK-PPC-NEXT: store i8 [[USED_GPR]], ptr [[GPRPTR]], align 434// CHECK-PPC-NEXT: br label %[[CONT:[a-z0-9]+]]35//36// CHECK-PPC:[[USING_OVERFLOW]]37// CHECK-PPC-NEXT: store i8 8, ptr [[GPRPTR]], align 438// CHECK-PPC-NEXT: [[OVERFLOW_AREA_P:%[0-9]+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 339// CHECK-PPC-NEXT: [[OVERFLOW_AREA:%.+]] = load ptr, ptr [[OVERFLOW_AREA_P]], align 440// CHECK-PPC-NEXT: [[GEP_ALIGN:%[0-9]+]] = getelementptr inbounds i8, ptr %argp.cur, i32 741// CHECK-PPC-NEXT: %argp.cur.aligned = call ptr @llvm.ptrmask.p0.i32(ptr [[GEP_ALIGN]], i32 -8)42// CHECK-PPC-NEXT: [[NEW_OVERFLOW_AREA:%[0-9]+]] = getelementptr inbounds i8, ptr %argp.cur.aligned, i32 443// CHECK-PPC-NEXT: store ptr [[NEW_OVERFLOW_AREA:%[0-9]+]], ptr [[OVERFLOW_AREA_P]], align 444// CHECK-PPC-NEXT: br label %[[CONT]]45//46// CHECK-PPC:[[CONT]]47// CHECK-PPC-NEXT: [[VAARG_ADDR:%[a-z.0-9]+]] = phi ptr [ [[RAW_REGADDR]], %[[USING_REGS]] ], [ %argp.cur.aligned, %[[USING_OVERFLOW]] ]48// CHECK-PPC-NEXT: [[AGGR:%[a-z0-9]+]] = load ptr, ptr [[VAARG_ADDR]]49// CHECK-PPC-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr align 8 %t, ptr align 8 [[AGGR]], i32 16, i1 false)50 51 int v = va_arg (ap, int);52 53// CHECK: getelementptr inbounds i8, ptr %{{[a-z.0-9]*}}, i64 454// CHECK-PPC: [[ARRAYDECAY:%[a-z0-9]+]] = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %ap, i32 0, i32 055// CHECK-PPC-NEXT: [[GPRPTR:%.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 056// CHECK-PPC-NEXT: [[GPR:%.+]] = load i8, ptr [[GPRPTR]], align 457// CHECK-PPC-NEXT: [[COND:%.+]] = icmp ult i8 [[GPR]], 858// CHECK-PPC-NEXT: br i1 [[COND]], label %[[USING_REGS:.+]], label %[[USING_OVERFLOW:.+]]{{$}}59//60// CHECK-PPC:[[USING_REGS]]61// CHECK-PPC-NEXT: [[REGSAVE_AREA_P:%.+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 462// CHECK-PPC-NEXT: [[REGSAVE_AREA:%.+]] = load ptr, ptr [[REGSAVE_AREA_P]], align 463// CHECK-PPC-NEXT: [[OFFSET:%.+]] = mul i8 [[GPR]], 464// CHECK-PPC-NEXT: [[RAW_REGADDR:%.+]] = getelementptr inbounds i8, ptr [[REGSAVE_AREA]], i8 [[OFFSET]]65// CHECK-PPC-NEXT: [[USED_GPR:%[0-9]+]] = add i8 [[GPR]], 166// CHECK-PPC-NEXT: store i8 [[USED_GPR]], ptr [[GPRPTR]], align 467// CHECK-PPC-NEXT: br label %[[CONT:[a-z0-9]+]]68//69// CHECK-PPC:[[USING_OVERFLOW]]70// CHECK-PPC-NEXT: store i8 8, ptr [[GPRPTR]], align 471// CHECK-PPC-NEXT: [[OVERFLOW_AREA_P:%[0-9]+]] = getelementptr inbounds nuw %struct.__va_list_tag, ptr [[ARRAYDECAY]], i32 0, i32 372// CHECK-PPC-NEXT: [[OVERFLOW_AREA:%.+]] = load ptr, ptr [[OVERFLOW_AREA_P]], align 473// CHECK-PPC-NEXT: [[NEW_OVERFLOW_AREA:%[0-9]+]] = getelementptr inbounds i8, ptr [[OVERFLOW_AREA]], i32 474// CHECK-PPC-NEXT: store ptr [[NEW_OVERFLOW_AREA]], ptr [[OVERFLOW_AREA_P]]75// CHECK-PPC-NEXT: br label %[[CONT]]76//77// CHECK-PPC:[[CONT]]78// CHECK-PPC-NEXT: [[VAARG_ADDR:%[a-z.0-9]+]] = phi ptr [ [[RAW_REGADDR]], %[[USING_REGS]] ], [ [[OVERFLOW_AREA]], %[[USING_OVERFLOW]] ]79// CHECK-PPC-NEXT: [[THIRTYFIVE:%[0-9]+]] = load i32, ptr [[VAARG_ADDR]]80// CHECK-PPC-NEXT: store i32 [[THIRTYFIVE]], ptr %v, align 481 82#ifdef __powerpc64__83 __int128_t u = va_arg (ap, __int128_t);84#endif85// CHECK: load i128, ptr %argp.cur386}87