forked from OSchip/llvm-project
79 lines
1.9 KiB
LLVM
79 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -loop-deletion -verify-loop-info -S | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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@G = external global i32
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define void @func_1() {
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; CHECK-LABEL: @func_1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LBL_2368:%.*]]
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; CHECK: lbl_2368:
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; CHECK-NEXT: [[CMP289:%.*]] = icmp slt i32 undef, -5
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; CHECK-NEXT: br i1 [[CMP289]], label [[CLEANUP967:%.*]], label [[UNREACHABLE:%.*]]
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; CHECK: cleanup967:
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; CHECK-NEXT: switch i32 undef, label [[CLEANUP1169:%.*]] [
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; CHECK-NEXT: i32 20, label [[CLEANUP967_LBL_2368_CRIT_EDGE:%.*]]
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; CHECK-NEXT: ]
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; CHECK: cleanup967.lbl_2368_crit_edge:
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; CHECK-NEXT: unreachable
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; CHECK: cleanup1169:
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; CHECK-NEXT: ret void
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; CHECK: unreachable:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %lbl_2368
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lbl_2368:
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%cmp289 = icmp slt i32 undef, -5
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br i1 %cmp289, label %cleanup967, label %unreachable
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cleanup967:
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switch i32 undef, label %cleanup1169 [
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i32 20, label %lbl_2368
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]
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cleanup1169:
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ret void
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unreachable:
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unreachable
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}
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define void @func_2() {
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; CHECK-LABEL: @func_2(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LBL_2368:%.*]]
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; CHECK: lbl_2368:
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; CHECK-NEXT: br i1 false, label [[CLEANUP967:%.*]], label [[UNREACHABLE:%.*]]
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; CHECK: cleanup967:
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; CHECK-NEXT: switch i32 undef, label [[CLEANUP1169:%.*]] [
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; CHECK-NEXT: i32 20, label [[CLEANUP967_LBL_2368_CRIT_EDGE:%.*]]
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; CHECK-NEXT: ]
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; CHECK: cleanup967.lbl_2368_crit_edge:
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; CHECK-NEXT: unreachable
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; CHECK: cleanup1169:
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; CHECK-NEXT: ret void
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; CHECK: unreachable:
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; CHECK-NEXT: unreachable
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;
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entry:
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br label %lbl_2368
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lbl_2368:
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br i1 false, label %cleanup967, label %unreachable
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cleanup967:
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switch i32 undef, label %cleanup1169 [
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i32 20, label %lbl_2368
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]
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cleanup1169:
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ret void
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unreachable:
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unreachable
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}
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