mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-15 04:30:12 +00:00
25 lines
656 B
LLVM
25 lines
656 B
LLVM
|
; RUN: opt < %s -loop-unroll -S | FileCheck %s
|
||
|
|
|
||
|
|
|
||
|
|
; This should not unroll since the address of the loop header is taken.
|
||
|
|
|
||
|
|
; CHECK: @test1
|
||
|
|
; CHECK: store i8* blockaddress(@test1, %l1), i8** %P
|
||
|
|
; CHECK: l1:
|
||
|
|
; CHECK-NEXT: phi i32
|
||
|
|
; rdar://8287027
|
||
|
|
define i32 @test1(i8** %P) nounwind ssp {
|
||
|
|
entry:
|
||
|
|
store i8* blockaddress(@test1, %l1), i8** %P
|
||
|
|
br label %l1
|
||
|
|
|
||
|
|
l1: ; preds = %l1, %entry
|
||
|
|
%x.0 = phi i32 [ 0, %entry ], [ %inc, %l1 ]
|
||
|
|
%inc = add nsw i32 %x.0, 1
|
||
|
|
%exitcond = icmp eq i32 %inc, 3
|
||
|
|
br i1 %exitcond, label %l2, label %l1
|
||
|
|
|
||
|
|
l2: ; preds = %l1
|
||
|
|
ret i32 0
|
||
|
|
}
|