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|
# REQUIRES: asserts
# RUN: llc -mtriple=hexagon -run-pass hexagon-cext-opt %s -o - | FileCheck %s
# Check that the HexagonConstantExtenders pass does not assert when block
# addresses from different functions are used
# CHECK-LABEL: name: wibble
# CHECK: A2_tfrsi blockaddress(@baz
# CHECK: A2_tfrsi blockaddress(@wibble
--- |
target triple = "hexagon"
define dso_local void @baz() {
bb:
br label %bb1
bb1: ; preds = %bb
%call = tail call fastcc i32 @wibble(i32 poison)
ret void
}
define internal fastcc i32 @wibble(i32 %arg) {
bb:
%call = tail call i32 @eggs(i32 noundef ptrtoint (ptr blockaddress(@baz, %bb1) to i32))
br label %bb1
bb1: ; preds = %bb
tail call void @baz.1(i32 noundef ptrtoint (ptr blockaddress(@wibble, %bb1) to i32))
ret i32 %call
}
declare i32 @eggs(i32 noundef) local_unnamed_addr
declare void @baz.1(i32 noundef) local_unnamed_addr
...
---
name: baz
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
callsEHReturn: false
callsUnwindInit: false
hasEHContTarget: false
hasEHScopes: false
hasEHFunclets: false
isOutlined: false
debugInstrRef: false
failsVerification: false
tracksDebugUserValues: false
registers:
- { id: 0, class: intregs, preferred-register: '' }
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: false
hasCalls: false
stackProtector: ''
functionContext: ''
maxCallFrameSize: 4294967295
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
hasTailCall: true
isCalleeSavedInfoValid: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
entry_values: []
callSites: []
debugValueSubstitutions: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.bb:
successors: %bb.1(0x80000000)
bb.1.bb1 (ir-block-address-taken %ir-block.bb1):
%0:intregs = IMPLICIT_DEF
$r0 = COPY %0
PS_tailcall_i @wibble, hexagoncsr, implicit $r0
...
---
name: wibble
alignment: 16
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
failedISel: false
tracksRegLiveness: true
hasWinCFI: false
callsEHReturn: false
callsUnwindInit: false
hasEHContTarget: false
hasEHScopes: false
hasEHFunclets: false
isOutlined: false
debugInstrRef: false
failsVerification: false
tracksDebugUserValues: false
registers:
- { id: 0, class: intregs, preferred-register: '' }
- { id: 1, class: intregs, preferred-register: '' }
- { id: 2, class: intregs, preferred-register: '' }
- { id: 3, class: intregs, preferred-register: '' }
- { id: 4, class: intregs, preferred-register: '' }
liveins: []
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 0
offsetAdjustment: 0
maxAlignment: 1
adjustsStack: true
hasCalls: true
stackProtector: ''
functionContext: ''
maxCallFrameSize: 4294967295
cvBytesOfCalleeSavedRegisters: 0
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
hasTailCall: false
isCalleeSavedInfoValid: false
localFrameSize: 0
savePoint: ''
restorePoint: ''
fixedStack: []
stack: []
entry_values: []
callSites: []
debugValueSubstitutions: []
constants: []
machineFunctionInfo: {}
body: |
bb.0.bb:
successors: %bb.1(0x80000000)
%2:intregs = A2_tfrsi blockaddress(@baz, %ir-block.bb1)
ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
$r0 = COPY %2
J2_call @eggs, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit $r0, implicit-def $r29, implicit-def $r0
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
%3:intregs = COPY $r0
bb.1.bb1 (ir-block-address-taken %ir-block.bb1):
%4:intregs = A2_tfrsi blockaddress(@wibble, %ir-block.bb1)
ADJCALLSTACKDOWN 0, 0, implicit-def $r29, implicit-def dead $r30, implicit $r31, implicit $r30, implicit $r29
$r0 = COPY %4
J2_call @baz.1, hexagoncsr, implicit-def dead $pc, implicit-def dead $r31, implicit $r29, implicit $r0, implicit-def $r29
ADJCALLSTACKUP 0, 0, implicit-def dead $r29, implicit-def dead $r30, implicit-def dead $r31, implicit $r29
$r0 = COPY %3
PS_jmpret $r31, implicit-def dead $pc, implicit $r0
...
|
