forked from OSchip/llvm-project
60 lines
1.5 KiB
YAML
60 lines
1.5 KiB
YAML
# RUN: not llc -mtriple=mips-mti-linux-gnu -mcpu=mips32r2 %s \
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# RUN: -start-after=expand-isel-pseudos -stop-after=expand-isel-pseudos \
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# RUN: -verify-machineinstrs -mattr=+use-indirect-jump-hazard -o - 2>&1 \
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# RUN: | FileCheck %s
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# That that tail calls are checked when using indirect jump guards (hazard variant).
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# CHECK: Bad machine code: invalid instruction when using jump guards!
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--- |
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define i32 @fooTail(i32 (i32)* nocapture %f1) {
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entry:
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%0 = tail call i32 %f1(i32 14)
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ret i32 %0
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}
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...
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---
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name: fooTail
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alignment: 2
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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registers:
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- { id: 0, class: gpr32, preferred-register: '' }
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- { id: 1, class: gpr32, preferred-register: '' }
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liveins:
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- { reg: '$a0', virtual-reg: '%0' }
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 1
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adjustsStack: false
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hasCalls: false
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stackProtector: ''
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maxCallFrameSize: 4294967295
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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savePoint: ''
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restorePoint: ''
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fixedStack:
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stack:
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constants:
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body: |
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bb.0.entry:
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liveins: $a0
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%0:gpr32 = COPY $a0
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%1:gpr32 = ADDiu $zero, 14
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$a0 = COPY %1
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TAILCALLREG %0, csr_o32, implicit-def dead $at, implicit $a0
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...
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