1 # RUN: not llc -mtriple=mips-mti-linux-gnu -mcpu=mips32r2 %s \ 2 # RUN: -start-after=expand-isel-pseudos -stop-after=expand-isel-pseudos \ 3 # RUN: -verify-machineinstrs -mattr=+use-indirect-jump-hazard -o - 2>&1 \ 4 # RUN: | FileCheck %s 5 6 # That that tail calls are checked when using indirect jump guards (hazard variant). 7 8 # CHECK: Bad machine code: invalid instruction when using jump guards! 9 --- | 10 define i32 @fooTail(i32 (i32)* nocapture %f1) { 11 entry: 12 %0 = tail call i32 %f1(i32 14) 13 ret i32 %0 14 } 15 16 ... 17 --- 18 name: fooTail 19 alignment: 2 20 exposesReturnsTwice: false 21 legalized: false 22 regBankSelected: false 23 selected: false 24 tracksRegLiveness: true 25 registers: 26 - { id: 0, class: gpr32, preferred-register: '' } 27 - { id: 1, class: gpr32, preferred-register: '' } 28 liveins: 29 - { reg: '$a0', virtual-reg: '%0' } 30 frameInfo: 31 isFrameAddressTaken: false 32 isReturnAddressTaken: false 33 hasStackMap: false 34 hasPatchPoint: false 35 stackSize: 0 36 offsetAdjustment: 0 37 maxAlignment: 1 38 adjustsStack: false 39 hasCalls: false 40 stackProtector: '' 41 maxCallFrameSize: 4294967295 42 hasOpaqueSPAdjustment: false 43 hasVAStart: false 44 hasMustTailInVarArgFunc: false 45 savePoint: '' 46 restorePoint: '' 47 fixedStack: 48 stack: 49 constants: 50 body: | 51 bb.0.entry: 52 liveins: $a0 53 54 %0:gpr32 = COPY $a0 55 %1:gpr32 = ADDiu $zero, 14 56 $a0 = COPY %1 57 TAILCALLREG %0, csr_o32, implicit-def dead $at, implicit $a0 58 59 ... 60
