| ; RUN: opt -loop-reduce -S < %s | FileCheck %s |
| ; |
| ; Indirect branch in the preheader crashes replaceCongruentIVs. |
| ; rdar://12910141 |
| |
| target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32-S128" |
| |
| ; CHECK: @test |
| ; CHECK: bb8: |
| ; CHECK-NEXT: phi i8 |
| ; CHECK-NEXT: phi i8 |
| ; CHECK: ret void |
| define void @test() nounwind ssp { |
| bb: |
| br label %bb190 |
| |
| bb8: ; preds = %bb190, %bb11 |
| %tmp = phi i8 [ %tmp14, %bb11 ], [ 25, %bb190 ] |
| %tmp9 = phi i8 [ %tmp12, %bb11 ], [ 25, %bb190 ] |
| %tmp10 = add i8 %tmp, -5 |
| indirectbr i8* undef, [label %bb11, label %bb15] |
| |
| bb11: ; preds = %bb8 |
| %tmp12 = add i8 %tmp9, 1 |
| %tmp13 = add i8 %tmp9, -19 |
| %tmp14 = add i8 %tmp, 1 |
| indirectbr i8* undef, [label %bb8] |
| |
| bb15: ; preds = %bb8 |
| indirectbr i8* undef, [label %bb16] |
| |
| bb16: ; preds = %bb16, %bb15 |
| indirectbr i8* undef, [label %bb37, label %bb190] |
| |
| |
| bb37: ; preds = %bb190 |
| indirectbr i8* undef, [label %bb38] |
| |
| bb38: ; preds = %bb37, %bb5 |
| ret void |
| |
| bb190: ; preds = %bb189, %bb187 |
| indirectbr i8* undef, [label %bb37, label %bb8] |
| } |
