| David Majnemer | bba1739 | 2017-01-13 22:24:27 +0000 | [diff] [blame] | 1 | ; RUN: opt -S -loop-reduce < %s | FileCheck %s |
| 2 | target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" |
| 3 | target triple = "x86_64-pc-windows-msvc19.0.24215" |
| 4 | |
| 5 | define void @fn3() personality i32 (...)* @__CxxFrameHandler3 { |
| 6 | entry: |
| 7 | %call = invoke i32 @fn2() |
| 8 | to label %for.cond.preheader unwind label %catch.dispatch2 |
| 9 | |
| 10 | for.cond.preheader: ; preds = %entry |
| 11 | br label %for.cond |
| 12 | |
| 13 | for.cond: ; preds = %for.cond.preheader, %for.cond |
| 14 | %b.0 = phi i32 [ %inc, %for.cond ], [ %call, %for.cond.preheader ] |
| 15 | %inc = add nsw i32 %b.0, 1 |
| 16 | invoke void @fn1(i32 %inc) |
| 17 | to label %for.cond unwind label %catch.dispatch |
| 18 | |
| 19 | ; CHECK: %[[add:.*]] = add i32 %call, 1 |
| 20 | ; CHECK: br label %for.cond |
| 21 | |
| 22 | ; CHECK: for.cond: ; preds = %for.cond, %for.cond.preheader |
| 23 | ; CHECK: %[[lsr_iv:.*]] = phi i32 [ %lsr.iv.next, %for.cond ], [ %[[add]], %for.cond.preheader ] |
| 24 | ; CHECK: %[[lsr_iv_next:.*]] = add i32 %lsr.iv, 1 |
| 25 | ; CHECK: invoke void @fn1(i32 %[[lsr_iv]]) |
| 26 | |
| 27 | |
| 28 | catch.dispatch: ; preds = %for.cond |
| 29 | %0 = catchswitch within none [label %catch] unwind label %catch.dispatch2 |
| 30 | |
| 31 | catch: ; preds = %catch.dispatch |
| 32 | %1 = catchpad within %0 [i8* null, i32 64, i8* null] |
| 33 | invoke void @_CxxThrowException(i8* null, i8* null) #2 [ "funclet"(token %1) ] |
| 34 | to label %unreachable unwind label %catch.dispatch2 |
| 35 | |
| 36 | catch.dispatch2: ; preds = %catch.dispatch, %catch, %entry |
| 37 | %a.0 = phi i32 [ undef, %entry ], [ %call, %catch ], [ %call, %catch.dispatch ] |
| 38 | %2 = catchswitch within none [label %catch3] unwind to caller |
| 39 | |
| 40 | catch3: ; preds = %catch.dispatch2 |
| 41 | %3 = catchpad within %2 [i8* null, i32 64, i8* null] |
| 42 | call void @fn1(i32 %a.0) [ "funclet"(token %3) ] |
| 43 | catchret from %3 to label %try.cont4 |
| 44 | |
| 45 | try.cont4: ; preds = %catch3 |
| 46 | ret void |
| 47 | |
| 48 | unreachable: ; preds = %catch |
| 49 | unreachable |
| 50 | } |
| 51 | |
| 52 | declare i32 @fn2() |
| 53 | |
| 54 | declare i32 @__CxxFrameHandler3(...) |
| 55 | |
| 56 | declare void @fn1(i32) |
| 57 | |
| 58 | declare void @_CxxThrowException(i8*, i8*) |