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Diffstat (limited to 'test/Transforms/LoopStrengthReduce/pr31627.ll')
-rw-r--r-- | test/Transforms/LoopStrengthReduce/pr31627.ll | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/Transforms/LoopStrengthReduce/pr31627.ll b/test/Transforms/LoopStrengthReduce/pr31627.ll new file mode 100644 index 000000000000..4bd4fc273d7b --- /dev/null +++ b/test/Transforms/LoopStrengthReduce/pr31627.ll @@ -0,0 +1,58 @@ +; RUN: opt -S -loop-reduce < %s | FileCheck %s +target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc19.0.24215" + +define void @fn3() personality i32 (...)* @__CxxFrameHandler3 { +entry: + %call = invoke i32 @fn2() + to label %for.cond.preheader unwind label %catch.dispatch2 + +for.cond.preheader: ; preds = %entry + br label %for.cond + +for.cond: ; preds = %for.cond.preheader, %for.cond + %b.0 = phi i32 [ %inc, %for.cond ], [ %call, %for.cond.preheader ] + %inc = add nsw i32 %b.0, 1 + invoke void @fn1(i32 %inc) + to label %for.cond unwind label %catch.dispatch + +; CHECK: %[[add:.*]] = add i32 %call, 1 +; CHECK: br label %for.cond + +; CHECK: for.cond: ; preds = %for.cond, %for.cond.preheader +; CHECK: %[[lsr_iv:.*]] = phi i32 [ %lsr.iv.next, %for.cond ], [ %[[add]], %for.cond.preheader ] +; CHECK: %[[lsr_iv_next:.*]] = add i32 %lsr.iv, 1 +; CHECK: invoke void @fn1(i32 %[[lsr_iv]]) + + +catch.dispatch: ; preds = %for.cond + %0 = catchswitch within none [label %catch] unwind label %catch.dispatch2 + +catch: ; preds = %catch.dispatch + %1 = catchpad within %0 [i8* null, i32 64, i8* null] + invoke void @_CxxThrowException(i8* null, i8* null) #2 [ "funclet"(token %1) ] + to label %unreachable unwind label %catch.dispatch2 + +catch.dispatch2: ; preds = %catch.dispatch, %catch, %entry + %a.0 = phi i32 [ undef, %entry ], [ %call, %catch ], [ %call, %catch.dispatch ] + %2 = catchswitch within none [label %catch3] unwind to caller + +catch3: ; preds = %catch.dispatch2 + %3 = catchpad within %2 [i8* null, i32 64, i8* null] + call void @fn1(i32 %a.0) [ "funclet"(token %3) ] + catchret from %3 to label %try.cont4 + +try.cont4: ; preds = %catch3 + ret void + +unreachable: ; preds = %catch + unreachable +} + +declare i32 @fn2() + +declare i32 @__CxxFrameHandler3(...) + +declare void @fn1(i32) + +declare void @_CxxThrowException(i8*, i8*) |