mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-21 00:32:23 +00:00
35 lines
752 B
LLVM
35 lines
752 B
LLVM
|
; RUN: opt < %s -loop-reduce -S | FileCheck %s
|
||
|
|
|
||
|
|
@d = common global i32 0, align 4
|
||
|
|
|
||
|
|
define void @fn2(i32 %x) nounwind uwtable {
|
||
|
|
entry:
|
||
|
|
br label %for.cond
|
||
|
|
|
||
|
|
for.cond:
|
||
|
|
%g.0 = phi i32 [ 0, %entry ], [ %dec, %for.cond ]
|
||
|
|
%tobool = icmp eq i32 %x, 0
|
||
|
|
%dec = add nsw i32 %g.0, -1
|
||
|
|
br i1 %tobool, label %for.cond, label %for.end
|
||
|
|
|
||
|
|
for.end:
|
||
|
|
; CHECK: %tmp1 = load i32* @d, align 4
|
||
|
|
; CHECK-NEXT: %tmp2 = load i32* @d, align 4
|
||
|
|
; CHECK-NEXT: %0 = sub i32 %tmp1, %tmp2
|
||
|
|
|
||
|
|
%tmp1 = load i32* @d, align 4
|
||
|
|
%add = add nsw i32 %tmp1, %g.0
|
||
|
|
%tmp2 = load i32* @d, align 4
|
||
|
|
%tobool26 = icmp eq i32 %x, 0
|
||
|
|
br i1 %tobool26, label %for.end5, label %for.body.lr.ph
|
||
|
|
|
||
|
|
for.body.lr.ph:
|
||
|
|
%tobool3 = icmp ne i32 %tmp2, %add
|
||
|
|
br label %for.end5
|
||
|
|
|
||
|
|
for.end5:
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
|