1# RUN: llc -march=mips -mcpu=mips32r2 -mattr=+micromips %s -o - \ 2# RUN: -start-after=block-placement | FileCheck %s 3 4# Test that the micromips jal instruction is correctly handled by the delay slot 5# filler by converting it to a short delay slot for the li instruction. 6 7# CHECK-LABEL: caller13 8# CHECK: jals callee13 9# CHECK-NEXT: li16 10 11--- | 12 declare i32 @callee13(i32, i32) 13 14 define i32 @caller13() { 15 entry: 16 %call = tail call i32 (i32, i32) @callee13(i32 1, i32 2) 17 ret i32 %call 18 } 19 20... 21--- 22name: caller13 23alignment: 4 24exposesReturnsTwice: false 25legalized: false 26regBankSelected: false 27selected: false 28tracksRegLiveness: true 29registers: 30liveins: 31frameInfo: 32 isFrameAddressTaken: false 33 isReturnAddressTaken: false 34 hasStackMap: false 35 hasPatchPoint: false 36 stackSize: 24 37 offsetAdjustment: 0 38 maxAlignment: 4 39 adjustsStack: true 40 hasCalls: true 41 stackProtector: '' 42 maxCallFrameSize: 16 43 hasOpaqueSPAdjustment: false 44 hasVAStart: false 45 hasMustTailInVarArgFunc: false 46 savePoint: '' 47 restorePoint: '' 48fixedStack: 49stack: 50 - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4, 51 stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true, 52 debug-info-variable: '', debug-info-expression: '', 53 debug-info-location: '' } 54constants: 55body: | 56 bb.0.entry: 57 liveins: $ra 58 59 $sp = ADDiu $sp, -24 60 CFI_INSTRUCTION def_cfa_offset 24 61 SW killed $ra, $sp, 20 :: (store 4 into %stack.0) 62 CFI_INSTRUCTION offset $ra_64, -4 63 $a0 = LI16_MM 1 64 $a1 = LI16_MM 2 65 JAL_MM @callee13, csr_o32, implicit-def dead $ra, implicit killed $a0, implicit killed $a1, implicit-def $sp, implicit-def $v0 66 $ra = LW $sp, 20 :: (load 4 from %stack.0) 67 $sp = ADDiu $sp, 24 68 PseudoReturn undef $ra, implicit $v0 69 70 71... 72