llvm-6502/test/Transforms/GVN/2008-02-12-UndefLoad.ll
David Blaikie 7c9c6ed761 [opaque pointer type] Add textual IR support for explicit type parameter to load instruction
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
2015-02-27 21:17:42 +00:00

21 lines
765 B
LLVM

; RUN: opt < %s -gvn -S | not grep load
; PR1996
%struct.anon = type { i32, i8, i8, i8, i8 }
define i32 @a() {
entry:
%c = alloca %struct.anon ; <%struct.anon*> [#uses=2]
%tmp = getelementptr %struct.anon, %struct.anon* %c, i32 0, i32 0 ; <i32*> [#uses=1]
%tmp1 = getelementptr i32, i32* %tmp, i32 1 ; <i32*> [#uses=2]
%tmp2 = load i32, i32* %tmp1, align 4 ; <i32> [#uses=1]
%tmp3 = or i32 %tmp2, 11 ; <i32> [#uses=1]
%tmp4 = and i32 %tmp3, -21 ; <i32> [#uses=1]
store i32 %tmp4, i32* %tmp1, align 4
%call = call i32 (...)* @x( %struct.anon* %c ) ; <i32> [#uses=0]
ret i32 undef
}
declare i32 @x(...)