36 lines
994 B
LLVM
36 lines
994 B
LLVM
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; 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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define void @widget(i32 %arg) {
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; CHECK-LABEL: @widget(
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; CHECK-NEXT: bb:
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; CHECK-NEXT: [[SWITCH:%.*]] = icmp ult i32 [[ARG:%.*]], 2
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; CHECK-NEXT: br i1 [[SWITCH]], label [[BB2:%.*]], label [[INFLOOP:%.*]]
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; CHECK: bb2:
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; CHECK-NEXT: ret void
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; CHECK: infloop:
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; CHECK-NEXT: br label [[INFLOOP]]
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;
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bb:
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%tmp = icmp eq i32 %arg, 0
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br i1 %tmp, label %bb2, label %bb1
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bb1: ; preds = %bb1
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%tmp4 = icmp eq i32 %arg, 1
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br i1 %tmp4, label %bb6, label %bb5
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bb5: ; preds = %bb5, %bb5
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switch i32 %arg, label %bb5 [
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i32 0, label %bb9
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]
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bb2:
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ret void
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bb6: ; preds = %bb1
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ret void
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bb9: ; preds = %bb5
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ret void
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}
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