81 lines
2.5 KiB
LLVM
81 lines
2.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -simplifycfg -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
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declare void @widget()
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declare i16 @baz()
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declare void @snork()
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declare void @spam()
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define void @zot() local_unnamed_addr align 2 personality i8* undef {
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; CHECK-LABEL: @zot(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: invoke void @widget()
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; CHECK-NEXT: to label [[BB14:%.*]] unwind label [[BB21:%.*]]
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; CHECK: bb14:
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; CHECK-NEXT: [[I0:%.*]] = invoke i16 @baz()
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; CHECK-NEXT: to label [[BB15:%.*]] unwind label [[BB25:%.*]]
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; CHECK: bb15:
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; CHECK-NEXT: switch i16 [[I0]], label [[BB19:%.*]] [
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; CHECK-NEXT: i16 42, label [[BB23:%.*]]
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; CHECK-NEXT: i16 21330, label [[BB23]]
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; CHECK-NEXT: ]
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; CHECK: bb19:
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; CHECK-NEXT: invoke void @snork()
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; CHECK-NEXT: to label [[BB20:%.*]] unwind label [[BB25]]
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; CHECK: bb20:
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; CHECK-NEXT: unreachable
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; CHECK: bb21:
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; CHECK-NEXT: [[I22:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: ret void
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; CHECK: bb23:
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; CHECK-NEXT: invoke void @spam()
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; CHECK-NEXT: to label [[BB24:%.*]] unwind label [[BB25]]
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; CHECK: bb24:
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; CHECK-NEXT: ret void
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; CHECK: bb25:
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; CHECK-NEXT: [[I26:%.*]] = landingpad { i8*, i32 }
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: br label [[BB24]]
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;
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bb:
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invoke void @widget()
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to label %bb14 unwind label %bb21
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bb14: ; preds = %bb
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%i0 = invoke i16 @baz()
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to label %bb15 unwind label %bb25
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bb15: ; preds = %bb14
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%i16 = icmp eq i16 %i0, 42
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br i1 %i16, label %bb23, label %bb17
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bb17: ; preds = %bb15
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%i18 = icmp eq i16 %i0, 21330
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br i1 %i18, label %bb23, label %bb19
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bb19: ; preds = %bb17
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invoke void @snork()
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to label %bb20 unwind label %bb25
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bb20: ; preds = %bb19
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unreachable
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bb21: ; preds = %bb
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%i22 = landingpad { i8*, i32 }
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cleanup
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ret void
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bb23: ; preds = %bb17, %bb15
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invoke void @spam()
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to label %bb24 unwind label %bb25
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bb24: ; preds = %bb25, %bb23
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ret void
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bb25: ; preds = %bb23, %bb19, %bb14
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%i26 = landingpad { i8*, i32 }
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cleanup
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br label %bb24
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}
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