1 ; RUN: llc < %s -mtriple=x86_64-linux | FileCheck %s 2 ; CHECK: testb %al, %al 3 4 %struct.__va_list_tag = type { i32, i32, i8*, i8* } 5 6 define void @foo(i32 %x, ...) nounwind { 7 entry: 8 %ap = alloca [1 x %struct.__va_list_tag], align 8; <[1 x %struct.__va_list_tag]*> [#uses=2] 9 %ap12 = bitcast [1 x %struct.__va_list_tag]* %ap to i8*; <i8*> [#uses=2] 10 call void @llvm.va_start(i8* %ap12) 11 %ap3 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i64 0, i64 0; <%struct.__va_list_tag*> [#uses=1] 12 call void @bar(%struct.__va_list_tag* %ap3) nounwind 13 call void @llvm.va_end(i8* %ap12) 14 ret void 15 } 16 17 declare void @llvm.va_start(i8*) nounwind 18 19 declare void @bar(%struct.__va_list_tag*) 20 21 declare void @llvm.va_end(i8*) nounwind 22