forked from OSchip/llvm-project
81 lines
2.5 KiB
Plaintext
81 lines
2.5 KiB
Plaintext
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# RUN: llc -mtriple=arm-linux-unknown-gnueabi -start-after branch-folder -stop-after branch-folder -o /dev/null %s | FileCheck %s
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--- |
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declare void @dummy_use(i32*, i32)
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define void @test_basic() #0 {
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entry:
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%mem = alloca i32, i32 10
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call void @dummy_use(i32* %mem, i32 10)
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ret void
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}
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attributes #0 = { "split-stack" }
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...
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---
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name: test_basic
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tracksRegLiveness: true
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frameInfo:
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stackSize: 48
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maxAlignment: 4
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adjustsStack: true
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hasCalls: true
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stack:
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- { id: 0, name: mem, offset: -48, size: 40, alignment: 4 }
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- { id: 1, type: spill-slot, offset: -4, size: 4, alignment: 4,
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callee-saved-register: '%lr' }
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- { id: 2, type: spill-slot, offset: -8, size: 4, alignment: 4,
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callee-saved-register: '%r11' }
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body: |
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bb.0:
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successors: %bb.2, %bb.1
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liveins: %r11, %lr
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%sp = STMDB_UPD %sp, 14, _, %r4, %r5
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CFI_INSTRUCTION .cfi_def_cfa_offset 8
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CFI_INSTRUCTION .cfi_offset %r5, -4
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CFI_INSTRUCTION .cfi_offset %r4, -8
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%r5 = MOVr %sp, 14, _, _
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%r4 = MRC 15, 0, 13, 0, 3, 14, _
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%r4 = LDRi12 %r4, 4, 14, _
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CMPrr %r4, %r5, 14, _, implicit-def %cpsr
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Bcc %bb.2, 3, %cpsr
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bb.1:
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successors: %bb.2
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liveins: %r11, %lr
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%r4 = MOVi 48, 14, _, _
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%r5 = MOVi 0, 14, _, _
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%sp = STMDB_UPD %sp, 14, _, %lr
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CFI_INSTRUCTION .cfi_def_cfa_offset 12
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CFI_INSTRUCTION .cfi_offset %lr, -12
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BL $__morestack, implicit-def %lr, implicit %sp
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%sp = LDMIA_UPD %sp, 14, _, %lr
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%sp = LDMIA_UPD %sp, 14, _, %r4, %r5
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CFI_INSTRUCTION .cfi_def_cfa_offset 0
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BX_RET 14, _
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bb.2:
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liveins: %r11, %lr
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%sp = LDMIA_UPD %sp, 14, _, %r4, %r5
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CFI_INSTRUCTION .cfi_def_cfa_offset 0
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; CHECK: CFI_INSTRUCTION .cfi_same_value %r4
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; CHECK-NEXT: CFI_INSTRUCTION .cfi_same_value %r5
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CFI_INSTRUCTION .cfi_same_value %r4
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CFI_INSTRUCTION .cfi_same_value %r5
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%sp = frame-setup STMDB_UPD %sp, 14, _, killed %r11, killed %lr
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frame-setup CFI_INSTRUCTION .cfi_def_cfa_offset 8
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frame-setup CFI_INSTRUCTION .cfi_offset %lr, -4
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frame-setup CFI_INSTRUCTION .cfi_offset %r11, -8
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%sp = frame-setup SUBri killed %sp, 40, 14, _, _
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frame-setup CFI_INSTRUCTION .cfi_def_cfa_offset 48
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%r0 = MOVr %sp, 14, _, _
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%r1 = MOVi 10, 14, _, _
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BL @dummy_use, csr_aapcs, implicit-def dead %lr, implicit %sp, implicit %r0, implicit killed %r1, implicit-def %sp
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%sp = ADDri killed %sp, 40, 14, _, _
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%sp = LDMIA_UPD %sp, 14, _, %r4, %r5
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MOVPCLR 14, _
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...
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