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3d75e98b8e
This reverts commit r322917 due to multiple performance regressions in spec2006 and spec2017. XFAILed llvm/test/CodeGen/AArch64/big-callframe.ll which initially motivated this change. llvm-svn: 323683
17 lines
629 B
LLVM
17 lines
629 B
LLVM
; RUN: llc -o - %s -verify-machineinstrs | FileCheck %s
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; XFAIL: *
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; Make sure we use a frame pointer and fp relative addressing for the emergency
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; spillslot when we have gigantic callframes.
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; CHECK-LABEL: func:
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; CHECK: stur {{.*}}, [x29, #{{.*}}] // 8-byte Folded Spill
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; CHECK: ldur {{.*}}, [x29, #{{.*}}] // 8-byte Folded Reload
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target triple = "aarch64--"
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declare void @extfunc([4096 x i64]* byval %p)
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define void @func([4096 x i64]* %z) {
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%lvar = alloca [31 x i8]
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%v = load volatile [31 x i8], [31 x i8]* %lvar
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store volatile [31 x i8] %v, [31 x i8]* %lvar
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call void @extfunc([4096 x i64]* byval %z)
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ret void
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}
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