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