mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-19 01:13:25 +00:00
33 lines
882 B
LLVM
33 lines
882 B
LLVM
|
; RUN: llvm-as < %s | opt -loop-unswitch -indvars -disable-output
|
||
|
|
; Require SCEV before LCSSA.
|
||
|
|
define void @foo() {
|
||
|
|
entry:
|
||
|
|
%i = alloca i32, align 4 ; <i32*> [#uses=5]
|
||
|
|
%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
|
||
|
|
store i32 0, i32* %i, align 4
|
||
|
|
br label %bb3
|
||
|
|
|
||
|
|
bb: ; preds = %bb3
|
||
|
|
%tmp = load i32* %i, align 4 ; <i32> [#uses=1]
|
||
|
|
call void @bar( i32 %tmp )
|
||
|
|
%tmp1 = load i32* %i, align 4 ; <i32> [#uses=1]
|
||
|
|
%tmp2 = add i32 %tmp1, 1 ; <i32> [#uses=1]
|
||
|
|
store i32 %tmp2, i32* %i, align 4
|
||
|
|
br label %bb3
|
||
|
|
|
||
|
|
bb3: ; preds = %bb, %entry
|
||
|
|
%tmp4 = load i32* %i, align 4 ; <i32> [#uses=1]
|
||
|
|
%tmp5 = icmp sle i32 %tmp4, 9 ; <i1> [#uses=1]
|
||
|
|
%tmp56 = zext i1 %tmp5 to i8 ; <i8> [#uses=1]
|
||
|
|
%toBool = icmp ne i8 %tmp56, 0 ; <i1> [#uses=1]
|
||
|
|
br i1 %toBool, label %bb, label %bb7
|
||
|
|
|
||
|
|
bb7: ; preds = %bb3
|
||
|
|
br label %return
|
||
|
|
|
||
|
|
return: ; preds = %bb7
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @bar(i32)
|