46 lines
1.6 KiB
LLVM
46 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
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; RUN: llc %s -o - -verify-machineinstrs \
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; RUN: -stop-after=finalize-isel -start-before=ppc-isel | FileCheck %s
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target datalayout = "e-m:e-i64:64-n32:64-S128-v256:256:256-v512:512:512"
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target triple = "powerpc64le-unknown-linux-gnu"
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define void @strncpy_from_kernel_nofault_count() {
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; CHECK-LABEL: name: strncpy_from_kernel_nofault_count
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; CHECK: bb.0.entry:
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; CHECK-NEXT: successors: %bb.1(0x80000000), %bb.3(0x00000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: INLINEASM_BR &"", 0 /* attdialect */, 131082 /* regdef:GPRC */, def %1, 13 /* imm */, %bb.3
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; CHECK-NEXT: [[COPY:%[0-9]+]]:gprc = COPY %1
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; CHECK-NEXT: B %bb.1
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.1.asm.fallthrough:
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: STB [[COPY]], 0, $zero8 :: (store (s8) into `ptr null`)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.2.Efault:
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; CHECK-NEXT: BLR8 implicit $lr8, implicit $rm
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: bb.3.Efault.split (machine-block-address-taken, inlineasm-br-indirect-target):
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; CHECK-NEXT: successors: %bb.2(0x80000000)
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; CHECK-NEXT: {{ $}}
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; CHECK-NEXT: STB %1, 0, $zero8 :: (store (s8) into `ptr null`)
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; CHECK-NEXT: B %bb.2
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entry:
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%0 = callbr i8 asm "", "=r,!i"()
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to label %asm.fallthrough [label %Efault.split]
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asm.fallthrough:
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store i8 %0, ptr null, align 1
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br label %Efault
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Efault:
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ret void
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Efault.split:
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%1 = call i8 @llvm.callbr.landingpad.i8(i8 %0)
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store i8 %1, ptr null, align 1
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br label %Efault
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}
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declare i8 @llvm.callbr.landingpad.i8(i8)
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