mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-16 11:30:51 +00:00
3e0d4b9810
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27981 91177308-0d34-0410-b5e6-96231b3b80d8
29 lines
816 B
LLVM
29 lines
816 B
LLVM
; The i induction variable looks like a wrap-around, but it really is just
|
|
; a simple affine IV. Make sure that indvars eliminates it.
|
|
|
|
; RUN: llvm-as < %s | opt -indvars | llvm-dis | grep phi | wc -l | grep 1
|
|
|
|
void %foo() {
|
|
entry:
|
|
br label %bb6
|
|
|
|
bb6: ; preds = %cond_true, %entry
|
|
%j.0 = phi int [ 1, %entry ], [ %tmp5, %cond_true ] ; <int> [#uses=3]
|
|
%i.0 = phi int [ 0, %entry ], [ %j.0, %cond_true ] ; <int> [#uses=1]
|
|
%tmp7 = call int (...)* %foo2( ) ; <int> [#uses=1]
|
|
%tmp = setne int %tmp7, 0 ; <bool> [#uses=1]
|
|
br bool %tmp, label %cond_true, label %return
|
|
|
|
cond_true: ; preds = %bb6
|
|
%tmp2 = call int (...)* %bar( int %i.0, int %j.0 ) ; <int> [#uses=0]
|
|
%tmp5 = add int %j.0, 1 ; <int> [#uses=1]
|
|
br label %bb6
|
|
|
|
return: ; preds = %bb6
|
|
ret void
|
|
}
|
|
|
|
declare int %bar(...)
|
|
|
|
declare int %foo2(...)
|