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7c9c6ed761
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230794 91177308-0d34-0410-b5e6-96231b3b80d8
28 lines
956 B
LLVM
28 lines
956 B
LLVM
; RUN: llc -mtriple=arm64-apple-ios -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
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; RUN: llc -mtriple=arm64-freebsd-gnu -aarch64-reserve-x18 -o - %s | FileCheck %s --check-prefix=CHECK-RESERVE-X18
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; RUN: llc -mtriple=arm64-linux-gnu -o - %s | FileCheck %s
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; x18 is reserved as a platform register on Darwin but not on other
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; systems. Create loads of register pressure and make sure this is respected.
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; Also, fp must always refer to a valid frame record, even if it's not the one
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; of the current function, so it shouldn't be used either.
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@var = global [30 x i64] zeroinitializer
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define void @keep_live() {
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%val = load volatile [30 x i64], [30 x i64]* @var
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store volatile [30 x i64] %val, [30 x i64]* @var
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; CHECK: ldr x18
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; CHECK: str x18
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; CHECK-RESERVE-X18-NOT: ldr fp
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; CHECK-RESERVE-X18-NOT: ldr x18
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; CHECK-RESERVE-X18: Spill
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; CHECK-RESERVE-X18-NOT: ldr fp
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; CHECK-RESERVE-X18-NOT: ldr x18
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; CHECK-RESERVE-X18: ret
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ret void
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}
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