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1a8adcb569
Another batch with no code changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206381 91177308-0d34-0410-b5e6-96231b3b80d8
21 lines
659 B
LLVM
21 lines
659 B
LLVM
; RUN: llc -verify-machineinstrs -mtriple=aarch64-none-linux-gnu < %s | FileCheck %s
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; RUN: llc -verify-machineinstrs -mtriple=arm64-apple-ios7.0 -o - %s | FileCheck %s
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@var = global void()* zeroinitializer
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declare void @bar()
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define void @foo() {
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; CHECK-LABEL: foo:
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%func = load void()** @var
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; Calling a function encourages @foo to use a callee-saved register,
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; which makes it a natural choice for the tail call itself. But we don't
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; want that: the final "br xN" has to use a temporary or argument
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; register.
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call void @bar()
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tail call void %func()
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; CHECK: br {{x([0-79]|1[0-8])}}
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ret void
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}
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