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llvm/test/CodeGen/PowerPC/2011-12-06-SpillAndRestoreCR.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

221 lines
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LLVM
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; RUN: llc < %s -mtriple=powerpc-apple-darwin -mcpu=g4 | FileCheck %s
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=g4 | FileCheck %s
; ModuleID = 'tsc.c'
target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64"
target triple = "powerpc64-unknown-linux-gnu"
@a = common global [32000 x float] zeroinitializer, align 16
@b = common global [32000 x float] zeroinitializer, align 16
@c = common global [32000 x float] zeroinitializer, align 16
@d = common global [32000 x float] zeroinitializer, align 16
@e = common global [32000 x float] zeroinitializer, align 16
@aa = common global [256 x [256 x float]] zeroinitializer, align 16
@bb = common global [256 x [256 x float]] zeroinitializer, align 16
@cc = common global [256 x [256 x float]] zeroinitializer, align 16
@temp = common global float 0.000000e+00, align 4
@.str81 = private unnamed_addr constant [6 x i8] c"s3110\00", align 1
@.str235 = private unnamed_addr constant [15 x i8] c"S3110\09 %.2f \09\09\00", align 1
declare i32 @printf(i8* nocapture, ...) nounwind
declare i32 @init(i8* %name) nounwind
declare i64 @clock() nounwind
declare i32 @dummy(float*, float*, float*, float*, float*, [256 x float]*, [256 x float]*, [256 x float]*, float)
declare void @check(i32 %name) nounwind
; CHECK: mfcr
; CHECK: mtcr
define i32 @s3110() nounwind {
entry:
%call = tail call i32 @init(i8* getelementptr inbounds ([6 x i8], [6 x i8]* @.str81, i64 0, i64 0))
%call1 = tail call i64 @clock() nounwind
br label %for.body
for.body: ; preds = %for.end17, %entry
%nl.041 = phi i32 [ 0, %entry ], [ %inc22, %for.end17 ]
%0 = load float, float* getelementptr inbounds ([256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 0, i64 0), align 16
br label %for.cond5.preheader
for.cond5.preheader: ; preds = %for.inc15, %for.body
%indvars.iv42 = phi i64 [ 0, %for.body ], [ %indvars.iv.next43, %for.inc15 ]
%max.139 = phi float [ %0, %for.body ], [ %max.3.15, %for.inc15 ]
%xindex.138 = phi i32 [ 0, %for.body ], [ %xindex.3.15, %for.inc15 ]
%yindex.137 = phi i32 [ 0, %for.body ], [ %yindex.3.15, %for.inc15 ]
br label %for.body7
for.body7: ; preds = %for.body7, %for.cond5.preheader
%indvars.iv = phi i64 [ 0, %for.cond5.preheader ], [ %indvars.iv.next.15, %for.body7 ]
%max.235 = phi float [ %max.139, %for.cond5.preheader ], [ %max.3.15, %for.body7 ]
%xindex.234 = phi i32 [ %xindex.138, %for.cond5.preheader ], [ %xindex.3.15, %for.body7 ]
%yindex.233 = phi i32 [ %yindex.137, %for.cond5.preheader ], [ %yindex.3.15, %for.body7 ]
%arrayidx9 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv
%1 = load float, float* %arrayidx9, align 16
%cmp10 = fcmp ogt float %1, %max.235
%2 = trunc i64 %indvars.iv to i32
%yindex.3 = select i1 %cmp10, i32 %2, i32 %yindex.233
%3 = trunc i64 %indvars.iv42 to i32
%xindex.3 = select i1 %cmp10, i32 %3, i32 %xindex.234
%max.3 = select i1 %cmp10, float %1, float %max.235
%indvars.iv.next45 = or i64 %indvars.iv, 1
%arrayidx9.1 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next45
%4 = load float, float* %arrayidx9.1, align 4
%cmp10.1 = fcmp ogt float %4, %max.3
%5 = trunc i64 %indvars.iv.next45 to i32
%yindex.3.1 = select i1 %cmp10.1, i32 %5, i32 %yindex.3
%xindex.3.1 = select i1 %cmp10.1, i32 %3, i32 %xindex.3
%max.3.1 = select i1 %cmp10.1, float %4, float %max.3
%indvars.iv.next.146 = or i64 %indvars.iv, 2
%arrayidx9.2 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.146
%6 = load float, float* %arrayidx9.2, align 8
%cmp10.2 = fcmp ogt float %6, %max.3.1
%7 = trunc i64 %indvars.iv.next.146 to i32
%yindex.3.2 = select i1 %cmp10.2, i32 %7, i32 %yindex.3.1
%xindex.3.2 = select i1 %cmp10.2, i32 %3, i32 %xindex.3.1
%max.3.2 = select i1 %cmp10.2, float %6, float %max.3.1
%indvars.iv.next.247 = or i64 %indvars.iv, 3
%arrayidx9.3 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.247
%8 = load float, float* %arrayidx9.3, align 4
%cmp10.3 = fcmp ogt float %8, %max.3.2
%9 = trunc i64 %indvars.iv.next.247 to i32
%yindex.3.3 = select i1 %cmp10.3, i32 %9, i32 %yindex.3.2
%xindex.3.3 = select i1 %cmp10.3, i32 %3, i32 %xindex.3.2
%max.3.3 = select i1 %cmp10.3, float %8, float %max.3.2
%indvars.iv.next.348 = or i64 %indvars.iv, 4
%arrayidx9.4 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.348
%10 = load float, float* %arrayidx9.4, align 16
%cmp10.4 = fcmp ogt float %10, %max.3.3
%11 = trunc i64 %indvars.iv.next.348 to i32
%yindex.3.4 = select i1 %cmp10.4, i32 %11, i32 %yindex.3.3
%xindex.3.4 = select i1 %cmp10.4, i32 %3, i32 %xindex.3.3
%max.3.4 = select i1 %cmp10.4, float %10, float %max.3.3
%indvars.iv.next.449 = or i64 %indvars.iv, 5
%arrayidx9.5 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.449
%12 = load float, float* %arrayidx9.5, align 4
%cmp10.5 = fcmp ogt float %12, %max.3.4
%13 = trunc i64 %indvars.iv.next.449 to i32
%yindex.3.5 = select i1 %cmp10.5, i32 %13, i32 %yindex.3.4
%xindex.3.5 = select i1 %cmp10.5, i32 %3, i32 %xindex.3.4
%max.3.5 = select i1 %cmp10.5, float %12, float %max.3.4
%indvars.iv.next.550 = or i64 %indvars.iv, 6
%arrayidx9.6 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.550
%14 = load float, float* %arrayidx9.6, align 8
%cmp10.6 = fcmp ogt float %14, %max.3.5
%15 = trunc i64 %indvars.iv.next.550 to i32
%yindex.3.6 = select i1 %cmp10.6, i32 %15, i32 %yindex.3.5
%xindex.3.6 = select i1 %cmp10.6, i32 %3, i32 %xindex.3.5
%max.3.6 = select i1 %cmp10.6, float %14, float %max.3.5
%indvars.iv.next.651 = or i64 %indvars.iv, 7
%arrayidx9.7 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.651
%16 = load float, float* %arrayidx9.7, align 4
%cmp10.7 = fcmp ogt float %16, %max.3.6
%17 = trunc i64 %indvars.iv.next.651 to i32
%yindex.3.7 = select i1 %cmp10.7, i32 %17, i32 %yindex.3.6
%xindex.3.7 = select i1 %cmp10.7, i32 %3, i32 %xindex.3.6
%max.3.7 = select i1 %cmp10.7, float %16, float %max.3.6
%indvars.iv.next.752 = or i64 %indvars.iv, 8
%arrayidx9.8 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.752
%18 = load float, float* %arrayidx9.8, align 16
%cmp10.8 = fcmp ogt float %18, %max.3.7
%19 = trunc i64 %indvars.iv.next.752 to i32
%yindex.3.8 = select i1 %cmp10.8, i32 %19, i32 %yindex.3.7
%xindex.3.8 = select i1 %cmp10.8, i32 %3, i32 %xindex.3.7
%max.3.8 = select i1 %cmp10.8, float %18, float %max.3.7
%indvars.iv.next.853 = or i64 %indvars.iv, 9
%arrayidx9.9 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.853
%20 = load float, float* %arrayidx9.9, align 4
%cmp10.9 = fcmp ogt float %20, %max.3.8
%21 = trunc i64 %indvars.iv.next.853 to i32
%yindex.3.9 = select i1 %cmp10.9, i32 %21, i32 %yindex.3.8
%xindex.3.9 = select i1 %cmp10.9, i32 %3, i32 %xindex.3.8
%max.3.9 = select i1 %cmp10.9, float %20, float %max.3.8
%indvars.iv.next.954 = or i64 %indvars.iv, 10
%arrayidx9.10 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.954
%22 = load float, float* %arrayidx9.10, align 8
%cmp10.10 = fcmp ogt float %22, %max.3.9
%23 = trunc i64 %indvars.iv.next.954 to i32
%yindex.3.10 = select i1 %cmp10.10, i32 %23, i32 %yindex.3.9
%xindex.3.10 = select i1 %cmp10.10, i32 %3, i32 %xindex.3.9
%max.3.10 = select i1 %cmp10.10, float %22, float %max.3.9
%indvars.iv.next.1055 = or i64 %indvars.iv, 11
%arrayidx9.11 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1055
%24 = load float, float* %arrayidx9.11, align 4
%cmp10.11 = fcmp ogt float %24, %max.3.10
%25 = trunc i64 %indvars.iv.next.1055 to i32
%yindex.3.11 = select i1 %cmp10.11, i32 %25, i32 %yindex.3.10
%xindex.3.11 = select i1 %cmp10.11, i32 %3, i32 %xindex.3.10
%max.3.11 = select i1 %cmp10.11, float %24, float %max.3.10
%indvars.iv.next.1156 = or i64 %indvars.iv, 12
%arrayidx9.12 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1156
%26 = load float, float* %arrayidx9.12, align 16
%cmp10.12 = fcmp ogt float %26, %max.3.11
%27 = trunc i64 %indvars.iv.next.1156 to i32
%yindex.3.12 = select i1 %cmp10.12, i32 %27, i32 %yindex.3.11
%xindex.3.12 = select i1 %cmp10.12, i32 %3, i32 %xindex.3.11
%max.3.12 = select i1 %cmp10.12, float %26, float %max.3.11
%indvars.iv.next.1257 = or i64 %indvars.iv, 13
%arrayidx9.13 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1257
%28 = load float, float* %arrayidx9.13, align 4
%cmp10.13 = fcmp ogt float %28, %max.3.12
%29 = trunc i64 %indvars.iv.next.1257 to i32
%yindex.3.13 = select i1 %cmp10.13, i32 %29, i32 %yindex.3.12
%xindex.3.13 = select i1 %cmp10.13, i32 %3, i32 %xindex.3.12
%max.3.13 = select i1 %cmp10.13, float %28, float %max.3.12
%indvars.iv.next.1358 = or i64 %indvars.iv, 14
%arrayidx9.14 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1358
%30 = load float, float* %arrayidx9.14, align 8
%cmp10.14 = fcmp ogt float %30, %max.3.13
%31 = trunc i64 %indvars.iv.next.1358 to i32
%yindex.3.14 = select i1 %cmp10.14, i32 %31, i32 %yindex.3.13
%xindex.3.14 = select i1 %cmp10.14, i32 %3, i32 %xindex.3.13
%max.3.14 = select i1 %cmp10.14, float %30, float %max.3.13
%indvars.iv.next.1459 = or i64 %indvars.iv, 15
%arrayidx9.15 = getelementptr inbounds [256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 %indvars.iv42, i64 %indvars.iv.next.1459
%32 = load float, float* %arrayidx9.15, align 4
%cmp10.15 = fcmp ogt float %32, %max.3.14
%33 = trunc i64 %indvars.iv.next.1459 to i32
%yindex.3.15 = select i1 %cmp10.15, i32 %33, i32 %yindex.3.14
%xindex.3.15 = select i1 %cmp10.15, i32 %3, i32 %xindex.3.14
%max.3.15 = select i1 %cmp10.15, float %32, float %max.3.14
%indvars.iv.next.15 = add i64 %indvars.iv, 16
%lftr.wideiv.15 = trunc i64 %indvars.iv.next.15 to i32
%exitcond.15 = icmp eq i32 %lftr.wideiv.15, 256
br i1 %exitcond.15, label %for.inc15, label %for.body7
for.inc15: ; preds = %for.body7
%indvars.iv.next43 = add i64 %indvars.iv42, 1
%lftr.wideiv = trunc i64 %indvars.iv.next43 to i32
%exitcond = icmp eq i32 %lftr.wideiv, 256
br i1 %exitcond, label %for.end17, label %for.cond5.preheader
for.end17: ; preds = %for.inc15
%conv = sitofp i32 %xindex.3.15 to float
%add = fadd float %max.3.15, %conv
%conv18 = sitofp i32 %yindex.3.15 to float
%add19 = fadd float %add, %conv18
%call20 = tail call i32 @dummy(float* getelementptr inbounds ([32000 x float], [32000 x float]* @a, i64 0, i64 0), float* getelementptr inbounds ([32000 x float], [32000 x float]* @b, i64 0, i64 0), float* getelementptr inbounds ([32000 x float], [32000 x float]* @c, i64 0, i64 0), float* getelementptr inbounds ([32000 x float], [32000 x float]* @d, i64 0, i64 0), float* getelementptr inbounds ([32000 x float], [32000 x float]* @e, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]], [256 x [256 x float]]* @aa, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]], [256 x [256 x float]]* @bb, i64 0, i64 0), [256 x float]* getelementptr inbounds ([256 x [256 x float]], [256 x [256 x float]]* @cc, i64 0, i64 0), float %add19) nounwind
%inc22 = add nsw i32 %nl.041, 1
%exitcond44 = icmp eq i32 %inc22, 78100
br i1 %exitcond44, label %for.end23, label %for.body
for.end23: ; preds = %for.end17
%call24 = tail call i64 @clock() nounwind
%sub = sub nsw i64 %call24, %call1
%conv25 = sitofp i64 %sub to double
%div = fdiv double %conv25, 1.000000e+06
%call26 = tail call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([15 x i8], [15 x i8]* @.str235, i64 0, i64 0), double %div) nounwind
%add29 = fadd float %add, 1.000000e+00
%add31 = fadd float %add29, %conv18
%add32 = fadd float %add31, 1.000000e+00
store float %add32, float* @temp, align 4
tail call void @check(i32 -1)
ret i32 0
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind
declare i32 @puts(i8* nocapture) nounwind
!3 = !{!"branch_weights", i32 64, i32 4}
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