| // REQUIRES: powerpc-registered-target |
| // REQUIRES: asserts |
| // RUN: %clang_cc1 -triple powerpc-unknown-aix -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,AIX32 |
| // RUN: %clang_cc1 -triple powerpc64-unknown-aix -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,AIX64 |
| |
| struct x { |
| double b; |
| long a; |
| }; |
| |
| void testva (int n, ...) { |
| __builtin_va_list ap; |
| __builtin_va_start(ap, n); |
| struct x t = __builtin_va_arg(ap, struct x); |
| __builtin_va_list ap2; |
| __builtin_va_copy(ap2, ap); |
| int v = __builtin_va_arg(ap2, int); |
| __builtin_va_end(ap2); |
| __builtin_va_end(ap); |
| } |
| |
| // AIX32: define void @testva(i32 %n, ...) |
| // AIX64: define void @testva(i32 signext %n, ...) |
| |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: %n.addr = alloca i32, align 4 |
| |
| // AIX32-NEXT: %ap = alloca i8*, align 4 |
| // AIX64-NEXT: %ap = alloca i8*, align 8 |
| |
| // CHECK-NEXT: %t = alloca %struct.x, align 8 |
| |
| // AIX32-NEXT: %ap2 = alloca i8*, align 4 |
| // AIX64-NEXT: %ap2 = alloca i8*, align 8 |
| |
| // CHECK-NEXT: %v = alloca i32, align 4 |
| // CHECK-NEXT: store i32 %n, i32* %n.addr, align 4 |
| // CHECK-NEXT: %ap1 = bitcast i8** %ap to i8* |
| // CHECK-NEXT: call void @llvm.va_start(i8* %ap1) |
| |
| // AIX32-NEXT: %argp.cur = load i8*, i8** %ap, align 4 |
| // AIX32-NEXT: %argp.next = getelementptr inbounds i8, i8* %argp.cur, i32 16 |
| // AIX32-NEXT: store i8* %argp.next, i8** %ap, align 4 |
| // AIX64-NEXT: %argp.cur = load i8*, i8** %ap, align 8 |
| // AIX64-NEXT: %argp.next = getelementptr inbounds i8, i8* %argp.cur, i64 16 |
| // AIX64-NEXT: store i8* %argp.next, i8** %ap, align 8 |
| |
| // CHECK-NEXT: %0 = bitcast i8* %argp.cur to %struct.x* |
| // CHECK-NEXT: %1 = bitcast %struct.x* %t to i8* |
| // CHECK-NEXT: %2 = bitcast %struct.x* %0 to i8* |
| |
| // AIX32-NEXT: call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 8 %1, i8* align 4 %2, i32 16, i1 false) |
| // AIX64-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 8 %1, i8* align 8 %2, i64 16, i1 false) |
| |
| // CHECK-NEXT: %3 = bitcast i8** %ap2 to i8* |
| // CHECK-NEXT: %4 = bitcast i8** %ap to i8* |
| // CHECK-NEXT: call void @llvm.va_copy(i8* %3, i8* %4) |
| |
| // AIX32-NEXT: %argp.cur2 = load i8*, i8** %ap2, align 4 |
| // AIX32-NEXT: %argp.next3 = getelementptr inbounds i8, i8* %argp.cur2, i32 4 |
| // AIX32-NEXT: store i8* %argp.next3, i8** %ap2, align 4 |
| // AIX32-NEXT: %5 = bitcast i8* %argp.cur2 to i32* |
| // AIX32-NEXT: %6 = load i32, i32* %5, align 4 |
| // AIX32-NEXT: store i32 %6, i32* %v, align 4 |
| // AIX64-NEXT: %argp.cur2 = load i8*, i8** %ap2, align 8 |
| // AIX64-NEXT: %argp.next3 = getelementptr inbounds i8, i8* %argp.cur2, i64 8 |
| // AIX64-NEXT: store i8* %argp.next3, i8** %ap2, align 8 |
| // AIX64-NEXT: %5 = getelementptr inbounds i8, i8* %argp.cur2, i64 4 |
| // AIX64-NEXT: %6 = bitcast i8* %5 to i32* |
| // AIX64-NEXT: %7 = load i32, i32* %6, align 4 |
| // AIX64-NEXT: store i32 %7, i32* %v, align 4 |
| |
| // CHECK-NEXT: %ap24 = bitcast i8** %ap2 to i8* |
| // CHECK-NEXT: call void @llvm.va_end(i8* %ap24) |
| // CHECK-NEXT: %ap5 = bitcast i8** %ap to i8* |
| // CHECK-NEXT: call void @llvm.va_end(i8* %ap5) |
| // CHECK-NEXT: ret void |
| |
| // CHECK: declare void @llvm.va_start(i8*) |
| |
| // AIX32: declare void @llvm.memcpy.p0i8.p0i8.i32(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i32, i1 immarg) |
| // AIX64: declare void @llvm.memcpy.p0i8.p0i8.i64(i8* noalias nocapture writeonly, i8* noalias nocapture readonly, i64, i1 immarg) |
| |
| // CHECK: declare void @llvm.va_copy(i8*, i8*) |
| // CHECK: declare void @llvm.va_end(i8*) |
