llvm-for-llvmta/test/Transforms/DeadArgElim/2008-01-16-VarargsParamAttr...

32 lines
1.3 KiB
LLVM

; RUN: opt < %s -deadargelim -S | grep byval
%struct.point = type { double, double }
@pts = global [4 x %struct.point] [ %struct.point { double 1.000000e+00, double 2.000000e+00 }, %struct.point { double 3.000000e+00, double 4.000000e+00 }, %struct.point { double 5.000000e+00, double 6.000000e+00 }, %struct.point { double 7.000000e+00, double 8.000000e+00 } ], align 32 ; <[4 x %struct.point]*> [#uses=1]
define internal i32 @va1(i32 %nargs, ...) {
entry:
%pi = alloca %struct.point ; <%struct.point*> [#uses=0]
%args = alloca i8* ; <i8**> [#uses=2]
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%args1 = bitcast i8** %args to i8* ; <i8*> [#uses=1]
call void @llvm.va_start( i8* %args1 )
%args41 = bitcast i8** %args to i8* ; <i8*> [#uses=1]
call void @llvm.va_end( i8* %args41 )
ret i32 undef
}
declare void @llvm.va_start(i8*) nounwind
declare void @llvm.va_end(i8*) nounwind
define i32 @main() {
entry:
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
%tmp = getelementptr [4 x %struct.point], [4 x %struct.point]* @pts, i32 0, i32 0 ; <%struct.point*> [#uses=1]
%tmp1 = call i32 (i32, ...) @va1(i32 1, %struct.point* byval(%struct.point) %tmp) nounwind ; <i32> [#uses=0]
call void @exit( i32 0 ) noreturn nounwind
unreachable
}
declare void @exit(i32) noreturn nounwind