mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-19 01:13:25 +00:00
559254b697
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73633 91177308-0d34-0410-b5e6-96231b3b80d8
22 lines
688 B
LLVM
22 lines
688 B
LLVM
; RUN: llvm-as < %s | opt -analyze -scalar-evolution -disable-output \
|
|
; RUN: -scalar-evolution-max-iterations=0 | grep {Loop bb: backedge-taken count is 100}
|
|
; PR1533
|
|
|
|
@array = weak global [101 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1]
|
|
|
|
define void @loop(i32 %x) {
|
|
entry:
|
|
br label %bb
|
|
|
|
bb: ; preds = %bb, %entry
|
|
%i.01.0 = phi i32 [ 100, %entry ], [ %tmp4, %bb ] ; <i32> [#uses=2]
|
|
%tmp1 = getelementptr [101 x i32]* @array, i32 0, i32 %i.01.0 ; <i32*> [#uses=1]
|
|
store i32 %x, i32* %tmp1
|
|
%tmp4 = add i32 %i.01.0, -1 ; <i32> [#uses=2]
|
|
%tmp7 = icmp sgt i32 %tmp4, -1 ; <i1> [#uses=1]
|
|
br i1 %tmp7, label %bb, label %return
|
|
|
|
return: ; preds = %bb
|
|
ret void
|
|
}
|