; 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 | |
} |