llvm-6502/test/Transforms/InstCombine/ptr-int-cast.ll
Chris Lattner a0e6969bbe canonicalize inttoptr and ptrtoint instructions which cast pointers
to/from integer types that are not intptr_t to convert to intptr_t
then do an integer conversion to the dest type.  This exposes the
cast to the optimizer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67638 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-24 18:35:40 +00:00

17 lines
333 B
LLVM

; RUN: llvm-as < %s | opt -instcombine | llvm-dis > %t
define i1 @test1(i32 *%x) nounwind {
entry:
; RUN: grep {ptrtoint i32\\* %x to i64} %t
%tmp = ptrtoint i32* %x to i1
ret i1 %tmp
}
define i32* @test2(i128 %x) nounwind {
entry:
; RUN: grep {inttoptr i64 %.mp1 to i32\\*} %t
%tmp = inttoptr i128 %x to i32*
ret i32* %tmp
}