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[Test] Add commit justifying revert of D110922
Test by Arthur Eubanks!
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py | ||
; ModuleID = 'reduced.ll' | ||
; RUN: opt < %s -loop-unroll -verify-loop-lcssa -S | FileCheck %s | ||
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source_filename = "reduced.ll" | ||
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%"class.std::__Cr::basic_ostream" = type { i32 (...)**, %"class.std::__Cr::basic_ios" } | ||
%"class.std::__Cr::basic_ios" = type { %"class.std::__Cr::ios_base", %"class.std::__Cr::basic_ostream"*, i32 } | ||
%"class.std::__Cr::ios_base" = type { i32 (...)**, i32, i32, i32, i32, i32, i8*, i8*, void (i32, %"class.std::__Cr::ios_base"*, i32)**, i32*, i32, i32, i32*, i32, i32, i8**, i32, i32 } | ||
%"class.v8::internal::wasm::StructType" = type { i32, i32*, %"class.v8::internal::wasm::ValueType"*, i8* } | ||
%"class.v8::internal::wasm::ValueType" = type { i32 } | ||
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$_ZNK2v88internal4wasm10StructType12field_offsetEj = comdat any | ||
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declare hidden %"class.std::__Cr::basic_ostream"* @_ZNSt4__CrlsINS_11char_traitsIcEEEERNS_13basic_ostreamIcT_EES6_PKc() local_unnamed_addr | ||
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define hidden void @_ZN2v88internal10WasmStruct15WasmStructPrintERNSt4__Cr13basic_ostreamIcNS2_11char_traitsIcEEEE() local_unnamed_addr align 2 { | ||
; CHECK-LABEL: @_ZN2v88internal10WasmStruct15WasmStructPrintERNSt4__Cr13basic_ostreamIcNS2_11char_traitsIcEEEE( | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[CALL61:%.*]] = tail call i32 @_ZNK2v88internal4wasm10StructType11field_countEv() | ||
; CHECK-NEXT: [[CMP2_NOT:%.*]] = icmp eq i32 [[CALL61]], 0 | ||
; CHECK-NEXT: br i1 [[CMP2_NOT]], label [[FOR_COND_CLEANUP:%.*]], label [[FOR_BODY_PREHEADER:%.*]] | ||
; CHECK: for.body.preheader: | ||
; CHECK-NEXT: br label [[FOR_BODY_PEEL_BEGIN:%.*]] | ||
; CHECK: for.body.peel.begin: | ||
; CHECK-NEXT: br label [[FOR_BODY_PEEL:%.*]] | ||
; CHECK: for.body.peel: | ||
; CHECK-NEXT: tail call void @llvm.assume(i1 true) | ||
; CHECK-NEXT: [[CALL13_PEEL:%.*]] = tail call i8 @_ZNK2v88internal4wasm9ValueType4kindEv() | ||
; CHECK-NEXT: switch i8 [[CALL13_PEEL]], label [[FOR_INC_PEEL:%.*]] [ | ||
; CHECK-NEXT: i8 5, label [[SW_BB33_PEEL:%.*]] | ||
; CHECK-NEXT: i8 9, label [[SW_BB31:%.*]] | ||
; CHECK-NEXT: i8 8, label [[SW_BB31]] | ||
; CHECK-NEXT: i8 11, label [[SW_BB31]] | ||
; CHECK-NEXT: i8 10, label [[SW_BB31]] | ||
; CHECK-NEXT: ] | ||
; CHECK: sw.bb33.peel: | ||
; CHECK-NEXT: [[CALL34_PEEL:%.*]] = tail call %"class.std::__Cr::basic_ostream"* @_ZNSt4__CrlsINS_11char_traitsIcEEEERNS_13basic_ostreamIcT_EES6_PKc() | ||
; CHECK-NEXT: br label [[FOR_INC_PEEL]] | ||
; CHECK: for.inc.peel: | ||
; CHECK-NEXT: [[CALL6_PEEL:%.*]] = tail call i32 @_ZNK2v88internal4wasm10StructType11field_countEv() | ||
; CHECK-NEXT: [[CMP_PEEL:%.*]] = icmp ugt i32 [[CALL6_PEEL]], 1 | ||
; CHECK-NEXT: br i1 [[CMP_PEEL]], label [[FOR_BODY_PEEL_NEXT:%.*]], label [[FOR_COND_CLEANUP_LOOPEXIT:%.*]] | ||
; CHECK: for.body.peel.next: | ||
; CHECK-NEXT: br label [[FOR_BODY_PEEL_NEXT1:%.*]] | ||
; CHECK: for.body.peel.next1: | ||
; CHECK-NEXT: br label [[FOR_BODY_PREHEADER_PEEL_NEWPH:%.*]] | ||
; CHECK: for.body.preheader.peel.newph: | ||
; CHECK-NEXT: br label [[FOR_BODY:%.*]] | ||
; CHECK: for.cond.cleanup.loopexit.loopexit: | ||
; CHECK-NEXT: br label [[FOR_COND_CLEANUP_LOOPEXIT]] | ||
; CHECK: for.cond.cleanup.loopexit: | ||
; CHECK-NEXT: br label [[FOR_COND_CLEANUP]] | ||
; CHECK: for.cond.cleanup: | ||
; CHECK-NEXT: ret void | ||
; CHECK: for.body: | ||
; CHECK-NEXT: tail call void @llvm.assume(i1 false) | ||
; CHECK-NEXT: [[CALL13:%.*]] = tail call i8 @_ZNK2v88internal4wasm9ValueType4kindEv() | ||
; CHECK-NEXT: switch i8 [[CALL13]], label [[FOR_INC:%.*]] [ | ||
; CHECK-NEXT: i8 5, label [[SW_BB33:%.*]] | ||
; CHECK-NEXT: i8 9, label [[SW_BB31_LOOPEXIT:%.*]] | ||
; CHECK-NEXT: i8 8, label [[SW_BB31_LOOPEXIT]] | ||
; CHECK-NEXT: i8 11, label [[SW_BB31_LOOPEXIT]] | ||
; CHECK-NEXT: i8 10, label [[SW_BB31_LOOPEXIT]] | ||
; CHECK-NEXT: ] | ||
; CHECK: sw.bb31.loopexit: | ||
; CHECK-NEXT: br label [[SW_BB31]] | ||
; CHECK: sw.bb31: | ||
; CHECK-NEXT: tail call void @_ZN2v84baseL18ReadUnalignedValueINS_8internal6ObjectEEET_j() | ||
; CHECK-NEXT: unreachable | ||
; CHECK: sw.bb33: | ||
; CHECK-NEXT: [[CALL34:%.*]] = tail call %"class.std::__Cr::basic_ostream"* @_ZNSt4__CrlsINS_11char_traitsIcEEEERNS_13basic_ostreamIcT_EES6_PKc() | ||
; CHECK-NEXT: br label [[FOR_INC]] | ||
; CHECK: for.inc: | ||
; CHECK-NEXT: [[CALL6:%.*]] = tail call i32 @_ZNK2v88internal4wasm10StructType11field_countEv() | ||
; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i32 [[CALL6]], 1 | ||
; CHECK-NEXT: br i1 [[CMP]], label [[FOR_BODY]], label [[FOR_COND_CLEANUP_LOOPEXIT_LOOPEXIT:%.*]], !llvm.loop [[LOOP0:![0-9]+]] | ||
; | ||
entry: | ||
%call61 = tail call i32 @_ZNK2v88internal4wasm10StructType11field_countEv() | ||
%cmp2.not = icmp eq i32 %call61, 0 | ||
br i1 %cmp2.not, label %for.cond.cleanup, label %for.body.preheader | ||
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for.body.preheader: ; preds = %entry | ||
br label %for.body | ||
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for.cond.cleanup.loopexit: ; preds = %for.inc | ||
br label %for.cond.cleanup | ||
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for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry | ||
ret void | ||
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for.body: ; preds = %for.body.preheader, %for.inc | ||
%cmp.i3 = phi i1 [ false, %for.inc ], [ true, %for.body.preheader ] | ||
tail call void @llvm.assume(i1 %cmp.i3) | ||
%call13 = tail call i8 @_ZNK2v88internal4wasm9ValueType4kindEv() | ||
switch i8 %call13, label %for.inc [ | ||
i8 5, label %sw.bb33 | ||
i8 9, label %sw.bb31 | ||
i8 8, label %sw.bb31 | ||
i8 11, label %sw.bb31 | ||
i8 10, label %sw.bb31 | ||
] | ||
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sw.bb31: ; preds = %for.body, %for.body, %for.body, %for.body | ||
tail call void @_ZN2v84baseL18ReadUnalignedValueINS_8internal6ObjectEEET_j() | ||
unreachable | ||
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sw.bb33: ; preds = %for.body | ||
%call34 = tail call %"class.std::__Cr::basic_ostream"* @_ZNSt4__CrlsINS_11char_traitsIcEEEERNS_13basic_ostreamIcT_EES6_PKc() | ||
br label %for.inc | ||
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for.inc: ; preds = %for.body, %sw.bb33 | ||
%call6 = tail call i32 @_ZNK2v88internal4wasm10StructType11field_countEv() | ||
%cmp = icmp ugt i32 %call6, 1 | ||
br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit | ||
} | ||
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declare hidden i32 @_ZNK2v88internal4wasm10StructType11field_countEv() local_unnamed_addr align 2 | ||
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define linkonce_odr hidden i32 @_ZNK2v88internal4wasm10StructType12field_offsetEj(%"class.v8::internal::wasm::StructType"* %this, i32 %index) local_unnamed_addr comdat align 2 { | ||
; CHECK-LABEL: @_ZNK2v88internal4wasm10StructType12field_offsetEj( | ||
; CHECK-NEXT: entry: | ||
; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 [[INDEX:%.*]], 0 | ||
; CHECK-NEXT: tail call void @llvm.assume(i1 [[CMP]]) | ||
; CHECK-NEXT: ret i32 undef | ||
; | ||
entry: | ||
%cmp = icmp eq i32 %index, 0 | ||
tail call void @llvm.assume(i1 %cmp) | ||
ret i32 undef | ||
} | ||
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declare hidden i8 @_ZNK2v88internal4wasm9ValueType4kindEv() local_unnamed_addr align 2 | ||
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declare void @_ZN2v84baseL18ReadUnalignedValueINS_8internal6ObjectEEET_j() local_unnamed_addr | ||
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; Function Attrs: inaccessiblememonly nofree nosync nounwind willreturn | ||
declare void @llvm.assume(i1 noundef) #0 | ||
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attributes #0 = { inaccessiblememonly nofree nosync nounwind willreturn } |