llvm-for-llvmta/test/CodeGen/AArch64/GlobalISel/irtranslator-indirect-br-re...

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2022-04-25 10:02:23 +02:00
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
; RUN: llc -O0 -mtriple=aarch64-apple-ios -global-isel -stop-after=irtranslator -verify-machineinstrs %s -o - | FileCheck %s
;
; Make sure that we don't duplicate successors/predecessors when translating
; indirectbr instructions with duplicate block labels.
define void @foo() {
; CHECK-LABEL: name: foo
; CHECK: bb.1 (%ir-block.0):
; CHECK: successors: %bb.2(0x2aaaaaaa), %bb.4(0x2aaaaaaa), %bb.3(0x2aaaaaaa)
; CHECK: [[DEF:%[0-9]+]]:_(p0) = G_IMPLICIT_DEF
; CHECK: G_BRINDIRECT [[DEF]](p0)
; CHECK: bb.2 (%ir-block.1):
; CHECK: successors:
; CHECK: bb.3 (%ir-block.2):
; CHECK: successors:
; CHECK: bb.4 (%ir-block.3):
; CHECK: RET_ReallyLR
indirectbr i8* undef, [label %1, label %3, label %2, label %3, label %3]
1:
unreachable
2:
unreachable
3:
ret void
}