forked from OSchip/llvm-project
75 lines
2.0 KiB
YAML
75 lines
2.0 KiB
YAML
# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
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# RUN: -stop-after=prologepilog | FileCheck %s
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# RUN: llc -o - %s -mtriple=aarch64-windows -start-before=prologepilog \
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# RUN: | FileCheck --check-prefix=ASM %s
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# Check that an odd callee-saved GPR is paired with lr
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# CHECK: early-clobber $sp = frame-setup STPXpre killed $x19, killed $x20, $sp, -4
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# CHECK-NEXT: frame-setup SEH_SaveRegP_X 19, 20, -32
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# CHECK-NEXT: frame-setup STPXi killed $x21, killed $lr, $sp, 2
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# CHECK-NEXT: frame-setup SEH_SaveRegP 21, 30, 16
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# CHECK-NEXT: frame-setup SEH_PrologEnd
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# ASM: stp x19, x20, [sp, #-32]!
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# ASM-NEXT: .seh_save_regp_x x19, 32
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# ASM-NEXT: stp x21, x30, [sp, #16]
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# ASM-NEXT: .seh_save_lrpair x21, 16
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# ASM-NEXT: .seh_endprologue
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--- |
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define dso_local i32 @func(i32 %a) { ret i32 %a }
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declare dso_local i32 @other()
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...
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---
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name: func
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alignment: 4
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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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failedISel: false
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tracksRegLiveness: true
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hasWinCFI: false
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registers: []
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liveins: []
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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: 4
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adjustsStack: false
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hasCalls: false
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stackProtector: ''
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maxCallFrameSize: 0
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cvBytesOfCalleeSavedRegisters: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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localFrameSize: 4
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savePoint: ''
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restorePoint: ''
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fixedStack: []
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stack: []
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callSites: []
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constants: []
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machineFunctionInfo: {}
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body: |
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bb.0:
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liveins: $x0, $x21, $x19, $x20
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BL @other, csr_aarch64_aapcs, implicit-def dead $lr, implicit $sp, implicit $w0, implicit-def $sp, implicit-def $w0
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$x19 = ADDXrr $x0, $x0
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$x20 = ADDXrr $x19, $x0
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$x21 = ADDXrr $x20, killed $x19
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$x0 = ADDXrr $x0, killed $x21
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RET_ReallyLR
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...
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