56 lines
1.3 KiB
LLVM
56 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -structurizecfg %s -o - | FileCheck %s
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define void @test(i1 %b1, i1 %b2, i1 %b3, i1 %b4) {
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; CHECK-LABEL: @test(
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; CHECK-NEXT: A:
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; CHECK-NEXT: [[B2_INV:%.*]] = xor i1 [[B2:%.*]], true
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; CHECK-NEXT: br i1 [[B1:%.*]], label [[B:%.*]], label [[H:%.*]]
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; CHECK: B:
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; CHECK-NEXT: br label [[C:%.*]]
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; CHECK: C:
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; CHECK-NEXT: br i1 [[B2_INV]], label [[E:%.*]], label [[FLOW:%.*]]
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; CHECK: Flow:
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; CHECK-NEXT: [[TMP0:%.*]] = phi i1 [ [[B3:%.*]], [[E]] ], [ true, [[C]] ]
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; CHECK-NEXT: [[TMP1:%.*]] = phi i1 [ false, [[E]] ], [ true, [[C]] ]
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; CHECK-NEXT: br i1 [[TMP0]], label [[FLOW1:%.*]], label [[C]]
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; CHECK: Flow1:
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; CHECK-NEXT: br i1 [[TMP1]], label [[D:%.*]], label [[F:%.*]]
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; CHECK: D:
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; CHECK-NEXT: br label [[F]]
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; CHECK: E:
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; CHECK-NEXT: br label [[FLOW]]
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; CHECK: F:
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; CHECK-NEXT: br label [[G:%.*]]
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; CHECK: G:
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; CHECK-NEXT: br i1 [[B4:%.*]], label [[FLOW2:%.*]], label [[B]]
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; CHECK: Flow2:
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; CHECK-NEXT: br label [[H]]
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; CHECK: H:
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; CHECK-NEXT: ret void
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;
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A:
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br i1 %b1, label %B, label %H
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B:
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br label %C
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C:
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br i1 %b2, label %D, label %E
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D:
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br label %F
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E:
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br i1 %b3, label %F, label %C
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F:
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br label %G
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G:
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br i1 %b4, label %H, label %B
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H:
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ret void
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}
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