mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-17 21:29:20 +00:00
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42493 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
549 B
LLVM
22 lines
549 B
LLVM
; RUN: llvm-as < %s | opt -licm | llvm-dis | grep promoted
|
|
; Promote value if at least one use is safe
|
|
|
|
|
|
define i32 @f2(i32* %p, i8* %q) {
|
|
entry:
|
|
br label %loop.head
|
|
|
|
loop.head: ; preds = %cond.true, %entry
|
|
store i32 20, i32* %p
|
|
%tmp3.i = icmp eq i8* null, %q ; <i1> [#uses=1]
|
|
br i1 %tmp3.i, label %exit, label %cond.true
|
|
|
|
cond.true: ; preds = %loop.head
|
|
store i32 40, i32* %p
|
|
br label %loop.head
|
|
|
|
exit: ; preds = %loop.head
|
|
ret i32 0
|
|
}
|
|
|