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52 lines
1.4 KiB
52 lines
1.4 KiB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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# RUN: llc -mtriple=thumb-apple-ios -run-pass=if-converter %s -o - | FileCheck %s
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# bb.2 has no successors, presumably because __stack_chk_fail doesn't return,
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# so there should be no edge from bb.2 to bb.3.
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# Nevertheless, IfConversion treats bb.1, bb.2, bb.3 as a triangle and
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# inserts a predicated copy of bb.2 in bb.1.
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# This caused r302876 to die with a failed assertion.
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--- |
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declare void @__stack_chk_fail()
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declare void @bar()
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define void @foo() {
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ret void
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}
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...
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---
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name: foo
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body: |
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; CHECK-LABEL: name: foo
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; CHECK: bb.0:
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; CHECK: successors: %bb.2(0x40000000), %bb.1(0x40000000)
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; CHECK: tBcc %bb.2, 1 /* CC::ne */, $cpsr
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; CHECK: bb.1:
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; CHECK: successors:
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; CHECK: tBL 14 /* CC::al */, $cpsr, @__stack_chk_fail
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; CHECK: bb.2:
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; CHECK: tBL 1 /* CC::ne */, $cpsr, @__stack_chk_fail
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; CHECK: $sp = tADDspi $sp, 2, 14 /* CC::al */, $noreg
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; CHECK: $sp = tADDspi $sp, 2, 14 /* CC::al */, $noreg
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; CHECK: tTAILJMPdND @bar, 14 /* CC::al */, $cpsr
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bb.0:
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tBcc %bb.1, 1, $cpsr
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tB %bb.2, 14, $noreg
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bb.1:
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tBcc %bb.3, 0, $cpsr
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bb.2:
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successors:
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tBL 14, $cpsr, @__stack_chk_fail
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bb.3:
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successors:
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$sp = tADDspi $sp, 2, 14, _
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$sp = tADDspi $sp, 2, 14, _
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tTAILJMPdND @bar, 14, $cpsr
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...
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