llvm/test/CodeGen/Thumb2/2009-08-04-CoalescerBug.ll
David Blaikie 32b845d223 [opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
See r230786 and r230794 for similar changes to gep and load
respectively.

Call is a bit different because it often doesn't have a single explicit
type - usually the type is deduced from the arguments, and just the
return type is explicit. In those cases there's no need to change the
IR.

When that's not the case, the IR usually contains the pointer type of
the first operand - but since typed pointers are going away, that
representation is insufficient so I'm just stripping the "pointerness"
of the explicit type away.

This does make the IR a bit weird - it /sort of/ reads like the type of
the first operand: "call void () %x(" but %x is actually of type "void
()*" and will eventually be just of type "ptr". But this seems not too
bad and I don't think it would benefit from repeating the type
("void (), void () * %x(" and then eventually "void (), ptr %x(") as has
been done with gep and load.

This also has a side benefit: since the explicit type is no longer a
pointer, there's no ambiguity between an explicit type and a function
that returns a function pointer. Previously this case needed an explicit
type (eg: a function returning a void() function was written as
"call void () () * @x(" rather than "call void () * @x(" because of the
ambiguity between a function returning a pointer to a void() function
and a function returning void).

No ambiguity means even function pointer return types can just be
written alone, without writing the whole function's type.

This leaves /only/ the varargs case where the explicit type is required.

Given the special type syntax in call instructions, the regex-fu used
for migration was a bit more involved in its own unique way (as every
one of these is) so here it is. Use it in conjunction with the apply.sh
script and associated find/xargs commands I've provided in rr230786 to
migrate your out of tree tests. Do let me know if any of this doesn't
cover your cases & we can iterate on a more general script/regexes to
help others with out of tree tests.

About 9 test cases couldn't be automatically migrated - half of those
were functions returning function pointers, where I just had to manually
delete the function argument types now that we didn't need an explicit
function type there. The other half were typedefs of function types used
in calls - just had to manually drop the * from those.

import fileinput
import sys
import re

pat = re.compile(r'((?:=|:|^|\s)call\s(?:[^@]*?))(\s*$|\s*(?:(?:\[\[[a-zA-Z0-9_]+\]\]|[@%](?:(")?[\\\?@a-zA-Z0-9_.]*?(?(3)"|)|{{.*}}))(?:\(|$)|undef|inttoptr|bitcast|null|asm).*$)')
addrspace_end = re.compile(r"addrspace\(\d+\)\s*\*$")
func_end = re.compile("(?:void.*|\)\s*)\*$")

def conv(match, line):
  if not match or re.search(addrspace_end, match.group(1)) or not re.search(func_end, match.group(1)):
    return line
  return line[:match.start()] + match.group(1)[:match.group(1).rfind('*')].rstrip() + match.group(2) + line[match.end():]

for line in sys.stdin:
  sys.stdout.write(conv(re.search(pat, line), line))

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235145 91177308-0d34-0410-b5e6-96231b3b80d8
2015-04-16 23:24:18 +00:00

154 lines
7.2 KiB
LLVM

; RUN: llc < %s -mtriple=thumbv7-apple-darwin -mcpu=cortex-a8 -relocation-model=pic -disable-fp-elim
%0 = type { %struct.GAP } ; type %0
%1 = type { i16, i8, i8 } ; type %1
%2 = type { [2 x i32], [2 x i32] } ; type %2
%3 = type { %struct.rec* } ; type %3
%4 = type { i8, i8, i16, i8, i8, i8, i8 } ; type %4
%struct.FILE = type { i8*, i32, i32, i16, i16, %struct.__sbuf, i32, i8*, i32 (i8*)*, i32 (i8*, i8*, i32)*, i64 (i8*, i64, i32)*, i32 (i8*, i8*, i32)*, %struct.__sbuf, %struct.__sFILEX*, i32, [3 x i8], [1 x i8], %struct.__sbuf, i32, i64 }
%struct.FILE_POS = type { i8, i8, i16, i32 }
%struct.FIRST_UNION = type { %struct.FILE_POS }
%struct.FOURTH_UNION = type { %struct.STYLE }
%struct.GAP = type { i8, i8, i16 }
%struct.LIST = type { %struct.rec*, %struct.rec* }
%struct.SECOND_UNION = type { %1 }
%struct.STYLE = type { %0, %0, i16, i16, i32 }
%struct.THIRD_UNION = type { %2 }
%struct.__sFILEX = type opaque
%struct.__sbuf = type { i8*, i32 }
%struct.head_type = type { [2 x %struct.LIST], %struct.FIRST_UNION, %struct.SECOND_UNION, %struct.THIRD_UNION, %struct.FOURTH_UNION, %struct.rec*, %3, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, %struct.rec*, i32 }
%struct.rec = type { %struct.head_type }
@.str24239 = external constant [20 x i8], align 1 ; <[20 x i8]*> [#uses=1]
@no_file_pos = external global %4 ; <%4*> [#uses=1]
@zz_tmp = external global %struct.rec* ; <%struct.rec**> [#uses=1]
@.str81872 = external constant [10 x i8], align 1 ; <[10 x i8]*> [#uses=1]
@out_fp = external global %struct.FILE* ; <%struct.FILE**> [#uses=2]
@cpexists = external global i32 ; <i32*> [#uses=2]
@.str212784 = external constant [17 x i8], align 1 ; <[17 x i8]*> [#uses=1]
@.str1822946 = external constant [8 x i8], align 1 ; <[8 x i8]*> [#uses=1]
@.str1842948 = external constant [11 x i8], align 1 ; <[11 x i8]*> [#uses=1]
declare i32 @fprintf(%struct.FILE* nocapture, i8* nocapture, ...) nounwind
declare i32 @"\01_fwrite"(i8*, i32, i32, i8*)
declare %struct.FILE* @OpenIncGraphicFile(i8*, i8 zeroext, %struct.rec** nocapture, %struct.FILE_POS*, i32* nocapture) nounwind
declare void @Error(i32, i32, i8*, i32, %struct.FILE_POS*, ...) nounwind
declare i8* @fgets(i8*, i32, %struct.FILE* nocapture) nounwind
define void @PS_PrintGraphicInclude(%struct.rec* %x, i32 %colmark, i32 %rowmark) nounwind {
entry:
br label %bb5
bb5: ; preds = %bb5, %entry
%.pn = phi %struct.rec* [ %y.0, %bb5 ], [ undef, %entry ] ; <%struct.rec*> [#uses=1]
%y.0.in = getelementptr %struct.rec, %struct.rec* %.pn, i32 0, i32 0, i32 0, i32 1, i32 0 ; <%struct.rec**> [#uses=1]
%y.0 = load %struct.rec*, %struct.rec** %y.0.in ; <%struct.rec*> [#uses=2]
br i1 undef, label %bb5, label %bb6
bb6: ; preds = %bb5
%0 = call %struct.FILE* @OpenIncGraphicFile(i8* undef, i8 zeroext 0, %struct.rec** undef, %struct.FILE_POS* null, i32* undef) nounwind ; <%struct.FILE*> [#uses=1]
br i1 false, label %bb.i, label %FontHalfXHeight.exit
bb.i: ; preds = %bb6
br label %FontHalfXHeight.exit
FontHalfXHeight.exit: ; preds = %bb.i, %bb6
br i1 undef, label %bb.i1, label %FontSize.exit
bb.i1: ; preds = %FontHalfXHeight.exit
br label %FontSize.exit
FontSize.exit: ; preds = %bb.i1, %FontHalfXHeight.exit
%1 = load i32, i32* undef, align 4 ; <i32> [#uses=1]
%2 = icmp ult i32 0, undef ; <i1> [#uses=1]
br i1 %2, label %bb.i5, label %FontName.exit
bb.i5: ; preds = %FontSize.exit
call void (i32, i32, i8*, i32, %struct.FILE_POS*, ...) @Error(i32 1, i32 2, i8* getelementptr ([20 x i8], [20 x i8]* @.str24239, i32 0, i32 0), i32 0, %struct.FILE_POS* bitcast (%4* @no_file_pos to %struct.FILE_POS*), i8* getelementptr ([10 x i8], [10 x i8]* @.str81872, i32 0, i32 0)) nounwind
br label %FontName.exit
FontName.exit: ; preds = %bb.i5, %FontSize.exit
%3 = call i32 (%struct.FILE*, i8*, ...) @fprintf(%struct.FILE* undef, i8* getelementptr ([8 x i8], [8 x i8]* @.str1822946, i32 0, i32 0), i32 %1, i8* undef) nounwind ; <i32> [#uses=0]
%4 = call i32 @"\01_fwrite"(i8* getelementptr ([11 x i8], [11 x i8]* @.str1842948, i32 0, i32 0), i32 1, i32 10, i8* undef) nounwind ; <i32> [#uses=0]
%5 = sub i32 %colmark, undef ; <i32> [#uses=1]
%6 = sub i32 %rowmark, undef ; <i32> [#uses=1]
%7 = load %struct.FILE*, %struct.FILE** @out_fp, align 4 ; <%struct.FILE*> [#uses=1]
%8 = call i32 (%struct.FILE*, i8*, ...) @fprintf(%struct.FILE* %7, i8* getelementptr ([17 x i8], [17 x i8]* @.str212784, i32 0, i32 0), i32 %5, i32 %6) nounwind ; <i32> [#uses=0]
store i32 0, i32* @cpexists, align 4
%9 = getelementptr %struct.rec, %struct.rec* %y.0, i32 0, i32 0, i32 3, i32 0, i32 0, i32 1 ; <i32*> [#uses=1]
%10 = load i32, i32* %9, align 4 ; <i32> [#uses=1]
%11 = sub i32 0, %10 ; <i32> [#uses=1]
%12 = load %struct.FILE*, %struct.FILE** @out_fp, align 4 ; <%struct.FILE*> [#uses=1]
%13 = call i32 (%struct.FILE*, i8*, ...) @fprintf(%struct.FILE* %12, i8* getelementptr ([17 x i8], [17 x i8]* @.str212784, i32 0, i32 0), i32 undef, i32 %11) nounwind ; <i32> [#uses=0]
store i32 0, i32* @cpexists, align 4
br label %bb100.outer.outer
bb100.outer.outer: ; preds = %bb79.critedge, %bb1.i3, %FontName.exit
%x_addr.0.ph.ph = phi %struct.rec* [ %x, %FontName.exit ], [ null, %bb79.critedge ], [ null, %bb1.i3 ] ; <%struct.rec*> [#uses=1]
%14 = getelementptr %struct.rec, %struct.rec* %x_addr.0.ph.ph, i32 0, i32 0, i32 1, i32 0 ; <%struct.FILE_POS*> [#uses=0]
br label %bb100.outer
bb.i80: ; preds = %bb3.i85
br i1 undef, label %bb2.i84, label %bb2.i51
bb2.i84: ; preds = %bb100.outer, %bb.i80
br i1 undef, label %bb3.i77, label %bb3.i85
bb3.i85: ; preds = %bb2.i84
br i1 false, label %StringBeginsWith.exit88, label %bb.i80
StringBeginsWith.exit88: ; preds = %bb3.i85
br i1 undef, label %bb3.i77, label %bb2.i51
bb2.i.i68: ; preds = %bb3.i77
br label %bb3.i77
bb3.i77: ; preds = %bb2.i.i68, %StringBeginsWith.exit88, %bb2.i84
br i1 false, label %bb1.i58, label %bb2.i.i68
bb1.i58: ; preds = %bb3.i77
unreachable
bb.i47: ; preds = %bb3.i52
br i1 undef, label %bb2.i51, label %bb2.i.i15.critedge
bb2.i51: ; preds = %bb.i47, %StringBeginsWith.exit88, %bb.i80
%15 = load i8, i8* undef, align 1 ; <i8> [#uses=0]
br i1 false, label %StringBeginsWith.exit55thread-split, label %bb3.i52
bb3.i52: ; preds = %bb2.i51
br i1 false, label %StringBeginsWith.exit55, label %bb.i47
StringBeginsWith.exit55thread-split: ; preds = %bb2.i51
br label %StringBeginsWith.exit55
StringBeginsWith.exit55: ; preds = %StringBeginsWith.exit55thread-split, %bb3.i52
br label %bb2.i41
bb2.i41: ; preds = %bb2.i41, %StringBeginsWith.exit55
br label %bb2.i41
bb2.i.i15.critedge: ; preds = %bb.i47
%16 = call i8* @fgets(i8* undef, i32 512, %struct.FILE* %0) nounwind ; <i8*> [#uses=0]
%iftmp.560.0 = select i1 undef, i32 2, i32 0 ; <i32> [#uses=1]
br label %bb100.outer
bb2.i8: ; preds = %bb100.outer
br i1 undef, label %bb1.i3, label %bb79.critedge
bb1.i3: ; preds = %bb2.i8
br label %bb100.outer.outer
bb79.critedge: ; preds = %bb2.i8
store %struct.rec* null, %struct.rec** @zz_tmp, align 4
br label %bb100.outer.outer
bb100.outer: ; preds = %bb2.i.i15.critedge, %bb100.outer.outer
%state.0.ph = phi i32 [ 0, %bb100.outer.outer ], [ %iftmp.560.0, %bb2.i.i15.critedge ] ; <i32> [#uses=1]
%cond = icmp eq i32 %state.0.ph, 1 ; <i1> [#uses=1]
br i1 %cond, label %bb2.i8, label %bb2.i84
}