New testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10533 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-19 06:54:37 +00:00
parent 9e25906482
commit bb8d661b27

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; The loop sinker was running from the bottom of the loop to the top, causing
; it to miss opportunities to sink instructions that depended on sinking other
; instructions from the loop. Instead they got hoisted, which is better than
; leaving them in the loop, but increases register pressure pointlessly.
; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 getelementptr | grep Out:
%Ty = type { int, int }
%X = external global %Ty
int %test() {
br label %Loop
Loop:
%dead = getelementptr %Ty* %X, long 0, ubyte 0
%sunk2 = load int* %dead
br bool false, label %Loop, label %Out
Out:
ret int %sunk2
}