vacopy.ll
1.11 KB
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; RUN: llc -march=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl < %s | FileCheck %s
; CHECK-LABEL: PrintInts:
; CHECK-DAG: memw{{.*}} = r{{[0-9]+}}
; CHECK-DAG: memw{{.*}} = r{{[0-9]+}}
; CHECK-DAG: r{{[0-9]+}}:{{[0-9]+}} = memd{{.*}}
; CHECK-DAG: memd{{.*}} = r{{[0-9]+}}:{{[0-9]+}}
%struct.__va_list_tag = type { i8*, i8*, i8* }
; Function Attrs: nounwind
define void @PrintInts(i32 %first, ...) #0 {
entry:
%vl = alloca [1 x %struct.__va_list_tag], align 8
%vl_count = alloca [1 x %struct.__va_list_tag], align 8
%arraydecay1 = bitcast [1 x %struct.__va_list_tag]* %vl to i8*
call void @llvm.va_start(i8* %arraydecay1)
%0 = bitcast [1 x %struct.__va_list_tag]* %vl_count to i8*
call void @llvm.va_copy(i8* %0, i8* %arraydecay1)
ret void
}
; Function Attrs: nounwind
declare void @llvm.va_start(i8*) #1
; Function Attrs: nounwind
declare void @llvm.va_copy(i8*, i8*) #1
; Function Attrs: nounwind
define i32 @main() #0 {
entry:
tail call void (i32, ...) @PrintInts(i32 undef, i32 20, i32 30, i32 40, i32 50, i32 0)
ret i32 0
}
attributes #0 = { nounwind }
!llvm.ident = !{!0}
!0 = !{!"Clang 3.1"}