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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 09b51c348c9966bb6472f509bcf790ca98f8150c / . / test / Integer / varargs_bt.ll
blob: e740fd36b47e188b94ac5370a751bb88a3b21304 [file] [log] [blame]
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]1; RUN: llvm-as %s -o - | llvm-dis > %t1.ll;
2; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
3; RUN: diff %t1.ll %t2.ll
4
5; Demonstrate all of the variable argument handling intrinsic functions plus
6; the va_arg instruction.
7
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]8declare void @llvm.va_start(i8** %ap)
9declare void @llvm.va_copy(i8** %aq, i8** %ap)
10declare void @llvm.va_end(i8** %ap)
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]11
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]12define i33 @test(i33 %X, ...) {
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]13 %ap = alloca i8*
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]14 call void @llvm.va_start(i8** %ap)
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]15 %tmp = va_arg i8** %ap, i33
16
17 %aq = alloca i8*
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]18 call void @llvm.va_copy(i8** %aq, i8** %ap)
19 call void @llvm.va_end(i8** %aq)
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]20
Reid Spencere3ff5ad2007-01-26 08:25:06 +0000[diff] [blame]21 call void @llvm.va_end(i8** %ap)
Reid Spencerc0948362007-01-16 18:08:22 +0000[diff] [blame]22 ret i33 %tmp
23}