llvm-6502/test/Transforms/GVN/rle-nonlocal.ll
Chris Lattner f33131685b make GVN try to rename inputs to the resultant replaced values, which
cleans up the generated code a bit.  This should have the added benefit of
not randomly renaming functions/globals like my previous patch did. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@61023 91177308-0d34-0410-b5e6-96231b3b80d8
2008-12-15 03:46:38 +00:00

20 lines
316 B
LLVM

; RUN: llvm-as < %s | opt -gvn | llvm-dis | grep {%DEAD = phi i32. }
define i32 @main(i32** %p) {
block1:
br i1 true, label %block2, label %block3
block2:
%a = load i32** %p
br label %block4
block3:
%b = load i32** %p
br label %block4
block4:
%DEAD = load i32** %p
%c = load i32* %DEAD
ret i32 %c
}