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llvm-mirror/test/Transforms/LowerBitSets/simple.ll
David Blaikie 65b92c4f37 [opaque pointer type] Add textual IR support for explicit type parameter for global aliases 
update.py:
import fileinput
import sys
import re

alias_match_prefix = r"(.*(?:=|:|^)\s*(?:external |)(?:(?:private|internal|linkonce|linkonce_odr|weak|weak_odr|common|appending|extern_weak|available_externally) )?(?:default |hidden |protected )?(?:dllimport |dllexport )?(?:unnamed_addr |)(?:thread_local(?:\([a-z]*\))? )?alias"
plain = re.compile(alias_match_prefix + r" (.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|addrspacecast|\[\[[a-zA-Z]|\{\{).*$)")
cast  = re.compile(alias_match_prefix + r") ((?:bitcast|inttoptr|addrspacecast)\s*\(.* to (.*?)(| addrspace\(\d+\) *)\*\)\s*(?:;.*)?$)")
gep   = re.compile(alias_match_prefix + r") ((?:getelementptr)\s*(?:inbounds)?\s*\((?P<type>.*), (?P=type)(?:\s*addrspace\(\d+\)\s*)?\* .*\)\s*(?:;.*)?$)")

def conv(line):
  m = re.match(cast, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(gep, line)
  if m:
    return m.group(1) + " " + m.group(3) + ", " + m.group(2)
  m = re.match(plain, line)
  if m:
    return m.group(1) + ", " + m.group(2) + m.group(3) + "*" + m.group(4) + "\n"
  return line

for line in sys.stdin:
  sys.stdout.write(conv(line))

apply.sh:
for name in "$@"
do
  python3 `dirname "$0"`/update.py < "$name" > "$name.tmp" && mv "$name.tmp" "$name"
  rm -f "$name.tmp"
done

The actual commands:
From llvm/src:
find test/ -name *.ll | xargs ./apply.sh
From llvm/src/tools/clang:
find test/ -name *.mm -o -name *.m -o -name *.cpp -o -name *.c | xargs -I '{}' ../../apply.sh "{}"
From llvm/src/tools/polly:
find test/ -name *.ll | xargs ./apply.sh

llvm-svn: 247378
2015-09-11 03:22:04 +00:00

138 lines
6.8 KiB
LLVM
Raw Blame History

; RUN: opt -S -lowerbitsets < %s | FileCheck %s
; RUN: opt -S -lowerbitsets -mtriple=x86_64-apple-macosx10.8.0 < %s | FileCheck -check-prefix=CHECK-DARWIN %s
; RUN: opt -S -O3 < %s | FileCheck -check-prefix=CHECK-NODISCARD %s
target datalayout = "e-p:32:32"
; CHECK: [[G:@[^ ]*]] = private constant { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] } { i32 1, [0 x i8] zeroinitializer, [63 x i32] zeroinitializer, [4 x i8] zeroinitializer, i32 3, [0 x i8] zeroinitializer, [2 x i32] [i32 4, i32 5] }
@a = constant i32 1
@b = hidden constant [63 x i32] zeroinitializer
@c = protected constant i32 3
@d = constant [2 x i32] [i32 4, i32 5]
; CHECK: [[BA:@[^ ]*]] = private constant [68 x i8] c"\03\01\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\00\02\00\01"
; Offset 0, 4 byte alignment
!0 = !{!"bitset1", i32* @a, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset1", i32* @a, i32 0}
!1 = !{!"bitset1", [63 x i32]* @b, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset1", [63 x i32]* @b, i32 0}
!2 = !{!"bitset1", [2 x i32]* @d, i32 4}
; CHECK-NODISCARD-DAG: !{!"bitset1", [2 x i32]* @d, i32 4}
; Offset 4, 256 byte alignment
!3 = !{!"bitset2", [63 x i32]* @b, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset2", [63 x i32]* @b, i32 0}
!4 = !{!"bitset2", i32* @c, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset2", i32* @c, i32 0}
; Entries whose second operand is null (the result of a global being DCE'd)
; should be ignored.
!5 = !{!"bitset2", null, i32 0}
; Offset 0, 4 byte alignment
!6 = !{!"bitset3", i32* @a, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @a, i32 0}
!7 = !{!"bitset3", i32* @c, i32 0}
; CHECK-NODISCARD-DAG: !{!"bitset3", i32* @c, i32 0}
!llvm.bitsets = !{ !0, !1, !2, !3, !4, !5, !6, !7 }
; CHECK: @bits_use{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
; CHECK: @bits_use.{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
; CHECK: @bits_use.{{[0-9]*}} = private alias i8, i8* @bits{{[0-9]*}}
; CHECK: @a = alias i32, getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 0)
; CHECK: @b = hidden alias [63 x i32], getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 2)
; CHECK: @c = protected alias i32, getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 4)
; CHECK: @d = alias [2 x i32], getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 6)
; CHECK-DARWIN: @aptr = constant i32* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G:@[^ ]*]], i32 0, i32 0)
@aptr = constant i32* @a
; CHECK-DARWIN: @bptr = constant [63 x i32]* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 2)
@bptr = constant [63 x i32]* @b
; CHECK-DARWIN: @cptr = constant i32* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 4)
@cptr = constant i32* @c
; CHECK-DARWIN: @dptr = constant [2 x i32]* getelementptr inbounds ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }, { i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]], i32 0, i32 6)
@dptr = constant [2 x i32]* @d
; CHECK-DARWIN: [[G]] = private constant
; CHECK: @bits{{[0-9]*}} = private alias i8, getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
; CHECK: @bits.{{[0-9]*}} = private alias i8, getelementptr inbounds ([68 x i8], [68 x i8]* [[BA]], i32 0, i32 0)
declare i1 @llvm.bitset.test(i8* %ptr, metadata %bitset) nounwind readnone
; CHECK: @foo(i32* [[A0:%[^ ]*]])
define i1 @foo(i32* %p) {
; CHECK-NOT: llvm.bitset.test
; CHECK: [[R0:%[^ ]*]] = bitcast i32* [[A0]] to i8*
%pi8 = bitcast i32* %p to i8*
; CHECK: [[R1:%[^ ]*]] = ptrtoint i8* [[R0]] to i32
; CHECK: [[R2:%[^ ]*]] = sub i32 [[R1]], ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32)
; CHECK: [[R3:%[^ ]*]] = lshr i32 [[R2]], 2
; CHECK: [[R4:%[^ ]*]] = shl i32 [[R2]], 30
; CHECK: [[R5:%[^ ]*]] = or i32 [[R3]], [[R4]]
; CHECK: [[R6:%[^ ]*]] = icmp ult i32 [[R5]], 68
; CHECK: br i1 [[R6]]
; CHECK: [[R8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[R5]]
; CHECK: [[R9:%[^ ]*]] = load i8, i8* [[R8]]
; CHECK: [[R10:%[^ ]*]] = and i8 [[R9]], 1
; CHECK: [[R11:%[^ ]*]] = icmp ne i8 [[R10]], 0
; CHECK: [[R16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[R11]], {{%[^ ]*}} ]
%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
; CHECK-NOT: llvm.bitset.test
%y = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset1")
; CHECK: ret i1 [[R16]]
ret i1 %x
}
; CHECK: @bar(i32* [[B0:%[^ ]*]])
define i1 @bar(i32* %p) {
; CHECK: [[S0:%[^ ]*]] = bitcast i32* [[B0]] to i8*
%pi8 = bitcast i32* %p to i8*
; CHECK: [[S1:%[^ ]*]] = ptrtoint i8* [[S0]] to i32
; CHECK: [[S2:%[^ ]*]] = sub i32 [[S1]], add (i32 ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32), i32 4)
; CHECK: [[S3:%[^ ]*]] = lshr i32 [[S2]], 8
; CHECK: [[S4:%[^ ]*]] = shl i32 [[S2]], 24
; CHECK: [[S5:%[^ ]*]] = or i32 [[S3]], [[S4]]
; CHECK: [[S6:%[^ ]*]] = icmp ult i32 [[S5]], 2
%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset2")
; CHECK: ret i1 [[S6]]
ret i1 %x
}
; CHECK: @baz(i32* [[C0:%[^ ]*]])
define i1 @baz(i32* %p) {
; CHECK: [[T0:%[^ ]*]] = bitcast i32* [[C0]] to i8*
%pi8 = bitcast i32* %p to i8*
; CHECK: [[T1:%[^ ]*]] = ptrtoint i8* [[T0]] to i32
; CHECK: [[T2:%[^ ]*]] = sub i32 [[T1]], ptrtoint ({ i32, [0 x i8], [63 x i32], [4 x i8], i32, [0 x i8], [2 x i32] }* [[G]] to i32)
; CHECK: [[T3:%[^ ]*]] = lshr i32 [[T2]], 2
; CHECK: [[T4:%[^ ]*]] = shl i32 [[T2]], 30
; CHECK: [[T5:%[^ ]*]] = or i32 [[T3]], [[T4]]
; CHECK: [[T6:%[^ ]*]] = icmp ult i32 [[T5]], 66
; CHECK: br i1 [[T6]]
; CHECK: [[T8:%[^ ]*]] = getelementptr i8, i8* @bits_use.{{[0-9]*}}, i32 [[T5]]
; CHECK: [[T9:%[^ ]*]] = load i8, i8* [[T8]]
; CHECK: [[T10:%[^ ]*]] = and i8 [[T9]], 2
; CHECK: [[T11:%[^ ]*]] = icmp ne i8 [[T10]], 0
; CHECK: [[T16:%[^ ]*]] = phi i1 [ false, {{%[^ ]*}} ], [ [[T11]], {{%[^ ]*}} ]
%x = call i1 @llvm.bitset.test(i8* %pi8, metadata !"bitset3")
; CHECK: ret i1 [[T16]]
ret i1 %x
}
; CHECK-NOT: !llvm.bitsets
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