llvm-project/llvm/test/CodeGen/X86/2006-11-28-Memcpy.ll

36 lines
1.2 KiB
LLVM

; PR1022, PR1023
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | \
; RUN: grep 3721182122 | count 2
; RUN: llvm-upgrade < %s | llvm-as | llc -march=x86 | \
; RUN: grep -E {movl _?bytes2} | count 1
%fmt = constant [4 x sbyte] c"%x\0A\00"
%bytes = constant [4 x sbyte] c"\AA\BB\CC\DD"
%bytes2 = global [4 x sbyte] c"\AA\BB\CC\DD"
int %test1() {
%y = alloca uint
%c = cast uint* %y to sbyte*
%z = getelementptr [4 x sbyte]* %bytes, int 0, int 0
call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
%r = load uint* %y
%t = cast [4 x sbyte]* %fmt to sbyte*
%tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
ret int 0
}
void %test2() {
%y = alloca uint
%c = cast uint* %y to sbyte*
%z = getelementptr [4 x sbyte]* %bytes2, int 0, int 0
call void %llvm.memcpy.i32( sbyte* %c, sbyte* %z, uint 4, uint 1 )
%r = load uint* %y
%t = cast [4 x sbyte]* %fmt to sbyte*
%tmp = call int (sbyte*, ...)* %printf( sbyte* %t, uint %r )
ret void
}
declare void %llvm.memcpy.i32(sbyte*, sbyte*, uint, uint)
declare int %printf(sbyte*, ...)