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|
# RUN: llc -march=mips -mcpu=mips32r2 -mattr=+micromips %s -o - \
# RUN: -start-after=block-placement | FileCheck %s
# Test that the micromips jal instruction is correctly handled by the delay slot
# filler by converting it to a short delay slot for the li instruction.
# CHECK-LABEL: caller13
# CHECK: jals callee13
# CHECK-NEXT: li16
--- |
declare i32 @callee13(i32, i32)
define i32 @caller13() {
entry:
%call = tail call i32 (i32, i32) @callee13(i32 1, i32 2)
ret i32 %call
}
...
---
name: caller13
alignment: 2
exposesReturnsTwice: false
legalized: false
regBankSelected: false
selected: false
tracksRegLiveness: true
registers:
liveins:
frameInfo:
isFrameAddressTaken: false
isReturnAddressTaken: false
hasStackMap: false
hasPatchPoint: false
stackSize: 24
offsetAdjustment: 0
maxAlignment: 4
adjustsStack: true
hasCalls: true
stackProtector: ''
maxCallFrameSize: 16
hasOpaqueSPAdjustment: false
hasVAStart: false
hasMustTailInVarArgFunc: false
savePoint: ''
restorePoint: ''
fixedStack:
stack:
- { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
stack-id: default, callee-saved-register: '$ra', callee-saved-restored: true,
debug-info-variable: '', debug-info-expression: '',
debug-info-location: '' }
constants:
body: |
bb.0.entry:
liveins: $ra
$sp = ADDiu $sp, -24
CFI_INSTRUCTION def_cfa_offset 24
SW killed $ra, $sp, 20 :: (store 4 into %stack.0)
CFI_INSTRUCTION offset $ra_64, -4
$a0 = LI16_MM 1
$a1 = LI16_MM 2
JAL_MM @callee13, csr_o32, implicit-def dead $ra, implicit killed $a0, implicit killed $a1, implicit-def $sp, implicit-def $v0
$ra = LW $sp, 20 :: (load 4 from %stack.0)
$sp = ADDiu $sp, 24
PseudoReturn undef $ra, implicit $v0
...
|
