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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
31 lines
910 B
LLVM
31 lines
910 B
LLVM
; RUN: llc -mtriple arm-eabi -mcpu swift -verify-machineinstrs %s -o /dev/null
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declare i32 @f(i32 %p0, i32 %p1)
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define i32 @foo(i32* %ptr) {
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entry:
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%cmp = icmp ne i32* %ptr, null
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br i1 %cmp, label %if.then, label %if.else
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; present something which can be easily if-converted
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if.then:
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; %R0 should be killed here
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%valt = load i32, i32* %ptr, align 4
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br label %return
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if.else:
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; %R0 should be killed here, however after if-conversion the %R0 kill
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; has to be removed because if.then will follow after this and still
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; read it.
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%addr = getelementptr inbounds i32, i32* %ptr, i32 4
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%vale = load i32, i32* %addr, align 4
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br label %return
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return:
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%phival = phi i32 [ %valt, %if.then ], [ %vale, %if.else ]
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; suggest to bring %phival/%valt/%vale into %R1 (because otherwise there
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; will be no kills in if.then/if.else)
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%retval = call i32 @f (i32 0, i32 %phival)
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ret i32 %retval
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}
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