llvm-6502/test/CodeGen/BPF/load.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

44 lines
852 B
LLVM

; RUN: llc < %s -march=bpf | FileCheck %s
define i16 @am1(i16* %a) nounwind {
%1 = load i16, i16* %a
ret i16 %1
}
; CHECK-LABEL: am1:
; CHECK: ldh r0, 0(r1)
@foo = external global i16
define i16 @am2() nounwind {
%1 = load i16, i16* @foo
ret i16 %1
}
; CHECK-LABEL: am2:
; CHECK: ldh r0, 0(r1)
define i16 @am4() nounwind {
%1 = load volatile i16, i16* inttoptr(i16 32 to i16*)
ret i16 %1
}
; CHECK-LABEL: am4:
; CHECK: mov r1, 32
; CHECK: ldh r0, 0(r1)
define i16 @am5(i16* %a) nounwind {
%1 = getelementptr i16, i16* %a, i16 2
%2 = load i16, i16* %1
ret i16 %2
}
; CHECK-LABEL: am5:
; CHECK: ldh r0, 4(r1)
%S = type { i16, i16 }
@baz = common global %S zeroinitializer, align 1
define i16 @am6() nounwind {
%1 = load i16, i16* getelementptr (%S* @baz, i32 0, i32 1)
ret i16 %1
}
; CHECK-LABEL: am6:
; CHECK: ldh r0, 2(r1)