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llvm/test/Transforms/InstCombine/disable-simplify-libcalls.ll
David Blaikie 198d8baafb [opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction 
One of several parallel first steps to remove the target type of pointers,
replacing them with a single opaque pointer type.

This adds an explicit type parameter to the gep instruction so that when the
first parameter becomes an opaque pointer type, the type to gep through is
still available to the instructions.

* This doesn't modify gep operators, only instructions (operators will be
  handled separately)

* Textual IR changes only. Bitcode (including upgrade) and changing the
  in-memory representation will be in separate changes.

* geps of vectors are transformed as:
    getelementptr <4 x float*> %x, ...
  ->getelementptr float, <4 x float*> %x, ...
  Then, once the opaque pointer type is introduced, this will ultimately look
  like:
    getelementptr float, <4 x ptr> %x
  with the unambiguous interpretation that it is a vector of pointers to float.

* address spaces remain on the pointer, not the type:
    getelementptr float addrspace(1)* %x
  ->getelementptr float, float addrspace(1)* %x
  Then, eventually:
    getelementptr float, ptr addrspace(1) %x

Importantly, the massive amount of test case churn has been automated by
same crappy python code. I had to manually update a few test cases that
wouldn't fit the script's model (r228970,r229196,r229197,r229198). The
python script just massages stdin and writes the result to stdout, I
then wrapped that in a shell script to handle replacing files, then
using the usual find+xargs to migrate all the files.

update.py:
import fileinput
import sys
import re

ibrep = re.compile(r"(^.*?[^%\w]getelementptr inbounds )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")
normrep = re.compile(       r"(^.*?[^%\w]getelementptr )(((?:<\d* x )?)(.*?)(| addrspace\(\d\)) *\*(|>)(?:$| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$))")

def conv(match, line):
  if not match:
    return line
  line = match.groups()[0]
  if len(match.groups()[5]) == 0:
    line += match.groups()[2]
  line += match.groups()[3]
  line += ", "
  line += match.groups()[1]
  line += "\n"
  return line

for line in sys.stdin:
  if line.find("getelementptr ") == line.find("getelementptr inbounds"):
    if line.find("getelementptr inbounds") != line.find("getelementptr inbounds ("):
      line = conv(re.match(ibrep, line), line)
  elif line.find("getelementptr ") != line.find("getelementptr ("):
    line = conv(re.match(normrep, line), line)
  sys.stdout.write(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

After that, check-all (with llvm, clang, clang-tools-extra, lld,
compiler-rt, and polly all checked out).

The extra 'rm' in the apply.sh script is due to a few files in clang's test
suite using interesting unicode stuff that my python script was throwing
exceptions on. None of those files needed to be migrated, so it seemed
sufficient to ignore those cases.

Reviewers: rafael, dexonsmith, grosser

Differential Revision: http://reviews.llvm.org/D7636

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230786 91177308-0d34-0410-b5e6-96231b3b80d8
2015-02-27 19:29:02 +00:00

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; Test that -disable-simplify-libcalls is wired up correctly.
;
; RUN: opt < %s -instcombine -disable-simplify-libcalls -S | FileCheck %s
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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
@.str = constant [1 x i8] zeroinitializer, align 1
@.str1 = constant [13 x i8] c"hello, world\00", align 1
@.str2 = constant [4 x i8] c"foo\00", align 1
@.str3 = constant [4 x i8] c"bar\00", align 1
@.str4 = constant [6 x i8] c"123.4\00", align 1
@.str5 = constant [5 x i8] c"1234\00", align 1
@empty = constant [1 x i8] c"\00", align 1
declare double @ceil(double)
declare double @copysign(double, double)
declare double @cos(double)
declare double @fabs(double)
declare double @floor(double)
declare i8* @strcat(i8*, i8*)
declare i8* @strncat(i8*, i8*, i32)
declare i8* @strchr(i8*, i32)
declare i8* @strrchr(i8*, i32)
declare i32 @strcmp(i8*, i8*)
declare i32 @strncmp(i8*, i8*, i64)
declare i8* @strcpy(i8*, i8*)
declare i8* @stpcpy(i8*, i8*)
declare i8* @strncpy(i8*, i8*, i64)
declare i64 @strlen(i8*)
declare i8* @strpbrk(i8*, i8*)
declare i64 @strspn(i8*, i8*)
declare double @strtod(i8*, i8**)
declare float @strtof(i8*, i8**)
declare x86_fp80 @strtold(i8*, i8**)
declare i64 @strtol(i8*, i8**, i32)
declare i64 @strtoll(i8*, i8**, i32)
declare i64 @strtoul(i8*, i8**, i32)
declare i64 @strtoull(i8*, i8**, i32)
declare i64 @strcspn(i8*, i8*)
declare i32 @abs(i32)
declare i32 @ffs(i32)
declare i32 @ffsl(i64)
declare i32 @ffsll(i64)
declare i32 @fprintf(i8*, i8*)
declare i32 @isascii(i32)
declare i32 @isdigit(i32)
declare i32 @toascii(i32)
declare i64 @labs(i64)
declare i64 @llabs(i64)
declare i32 @printf(i8*)
declare i32 @sprintf(i8*, i8*)
define double @t1(double %x) {
; CHECK-LABEL: @t1(
%ret = call double @ceil(double %x)
ret double %ret
; CHECK: call double @ceil
}
define double @t2(double %x, double %y) {
; CHECK-LABEL: @t2(
%ret = call double @copysign(double %x, double %y)
ret double %ret
; CHECK: call double @copysign
}
define double @t3(double %x) {
; CHECK-LABEL: @t3(
%call = call double @cos(double %x)
ret double %call
; CHECK: call double @cos
}
define double @t4(double %x) {
; CHECK-LABEL: @t4(
%ret = call double @fabs(double %x)
ret double %ret
; CHECK: call double @fabs
}
define double @t5(double %x) {
; CHECK-LABEL: @t5(
%ret = call double @floor(double %x)
ret double %ret
; CHECK: call double @floor
}
define i8* @t6(i8* %x) {
; CHECK-LABEL: @t6(
%empty = getelementptr [1 x i8], [1 x i8]* @empty, i32 0, i32 0
%ret = call i8* @strcat(i8* %x, i8* %empty)
ret i8* %ret
; CHECK: call i8* @strcat
}
define i8* @t7(i8* %x) {
; CHECK-LABEL: @t7(
%empty = getelementptr [1 x i8], [1 x i8]* @empty, i32 0, i32 0
%ret = call i8* @strncat(i8* %x, i8* %empty, i32 1)
ret i8* %ret
; CHECK: call i8* @strncat
}
define i8* @t8() {
; CHECK-LABEL: @t8(
%x = getelementptr inbounds [13 x i8], [13 x i8]* @.str1, i32 0, i32 0
%ret = call i8* @strchr(i8* %x, i32 119)
ret i8* %ret
; CHECK: call i8* @strchr
}
define i8* @t9() {
; CHECK-LABEL: @t9(
%x = getelementptr inbounds [13 x i8], [13 x i8]* @.str1, i32 0, i32 0
%ret = call i8* @strrchr(i8* %x, i32 119)
ret i8* %ret
; CHECK: call i8* @strrchr
}
define i32 @t10() {
; CHECK-LABEL: @t10(
%x = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%y = getelementptr inbounds [4 x i8], [4 x i8]* @.str3, i32 0, i32 0
%ret = call i32 @strcmp(i8* %x, i8* %y)
ret i32 %ret
; CHECK: call i32 @strcmp
}
define i32 @t11() {
; CHECK-LABEL: @t11(
%x = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%y = getelementptr inbounds [4 x i8], [4 x i8]* @.str3, i32 0, i32 0
%ret = call i32 @strncmp(i8* %x, i8* %y, i64 3)
ret i32 %ret
; CHECK: call i32 @strncmp
}
define i8* @t12(i8* %x) {
; CHECK-LABEL: @t12(
%y = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%ret = call i8* @strcpy(i8* %x, i8* %y)
ret i8* %ret
; CHECK: call i8* @strcpy
}
define i8* @t13(i8* %x) {
; CHECK-LABEL: @t13(
%y = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%ret = call i8* @stpcpy(i8* %x, i8* %y)
ret i8* %ret
; CHECK: call i8* @stpcpy
}
define i8* @t14(i8* %x) {
; CHECK-LABEL: @t14(
%y = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%ret = call i8* @strncpy(i8* %x, i8* %y, i64 3)
ret i8* %ret
; CHECK: call i8* @strncpy
}
define i64 @t15() {
; CHECK-LABEL: @t15(
%x = getelementptr inbounds [4 x i8], [4 x i8]* @.str2, i32 0, i32 0
%ret = call i64 @strlen(i8* %x)
ret i64 %ret
; CHECK: call i64 @strlen
}
define i8* @t16(i8* %x) {
; CHECK-LABEL: @t16(
%y = getelementptr inbounds [1 x i8], [1 x i8]* @.str, i32 0, i32 0
%ret = call i8* @strpbrk(i8* %x, i8* %y)
ret i8* %ret
; CHECK: call i8* @strpbrk
}
define i64 @t17(i8* %x) {
; CHECK-LABEL: @t17(
%y = getelementptr inbounds [1 x i8], [1 x i8]* @.str, i32 0, i32 0
%ret = call i64 @strspn(i8* %x, i8* %y)
ret i64 %ret
; CHECK: call i64 @strspn
}
define double @t18(i8** %y) {
; CHECK-LABEL: @t18(
%x = getelementptr inbounds [6 x i8], [6 x i8]* @.str4, i64 0, i64 0
%ret = call double @strtod(i8* %x, i8** %y)
ret double %ret
; CHECK: call double @strtod
}
define float @t19(i8** %y) {
; CHECK-LABEL: @t19(
%x = getelementptr inbounds [6 x i8], [6 x i8]* @.str4, i64 0, i64 0
%ret = call float @strtof(i8* %x, i8** %y)
ret float %ret
; CHECK: call float @strtof
}
define x86_fp80 @t20(i8** %y) {
; CHECK-LABEL: @t20(
%x = getelementptr inbounds [6 x i8], [6 x i8]* @.str4, i64 0, i64 0
%ret = call x86_fp80 @strtold(i8* %x, i8** %y)
ret x86_fp80 %ret
; CHECK: call x86_fp80 @strtold
}
define i64 @t21(i8** %y) {
; CHECK-LABEL: @t21(
%x = getelementptr inbounds [5 x i8], [5 x i8]* @.str5, i64 0, i64 0
%ret = call i64 @strtol(i8* %x, i8** %y, i32 10)
ret i64 %ret
; CHECK: call i64 @strtol
}
define i64 @t22(i8** %y) {
; CHECK-LABEL: @t22(
%x = getelementptr inbounds [5 x i8], [5 x i8]* @.str5, i64 0, i64 0
%ret = call i64 @strtoll(i8* %x, i8** %y, i32 10)
ret i64 %ret
; CHECK: call i64 @strtoll
}
define i64 @t23(i8** %y) {
; CHECK-LABEL: @t23(
%x = getelementptr inbounds [5 x i8], [5 x i8]* @.str5, i64 0, i64 0
%ret = call i64 @strtoul(i8* %x, i8** %y, i32 10)
ret i64 %ret
; CHECK: call i64 @strtoul
}
define i64 @t24(i8** %y) {
; CHECK-LABEL: @t24(
%x = getelementptr inbounds [5 x i8], [5 x i8]* @.str5, i64 0, i64 0
%ret = call i64 @strtoull(i8* %x, i8** %y, i32 10)
ret i64 %ret
; CHECK: call i64 @strtoull
}
define i64 @t25(i8* %y) {
; CHECK-LABEL: @t25(
%x = getelementptr [1 x i8], [1 x i8]* @empty, i32 0, i32 0
%ret = call i64 @strcspn(i8* %x, i8* %y)
ret i64 %ret
; CHECK: call i64 @strcspn
}
define i32 @t26(i32 %y) {
; CHECK-LABEL: @t26(
%ret = call i32 @abs(i32 %y)
ret i32 %ret
; CHECK: call i32 @abs
}
define i32 @t27(i32 %y) {
; CHECK-LABEL: @t27(
%ret = call i32 @ffs(i32 %y)
ret i32 %ret
; CHECK: call i32 @ffs
}
define i32 @t28(i64 %y) {
; CHECK-LABEL: @t28(
%ret = call i32 @ffsl(i64 %y)
ret i32 %ret
; CHECK: call i32 @ffsl
}
define i32 @t29(i64 %y) {
; CHECK-LABEL: @t29(
%ret = call i32 @ffsll(i64 %y)
ret i32 %ret
; CHECK: call i32 @ffsll
}
define void @t30() {
; CHECK-LABEL: @t30(
%x = getelementptr inbounds [13 x i8], [13 x i8]* @.str1, i32 0, i32 0
call i32 @fprintf(i8* null, i8* %x)
ret void
; CHECK: call i32 @fprintf
}
define i32 @t31(i32 %y) {
; CHECK-LABEL: @t31(
%ret = call i32 @isascii(i32 %y)
ret i32 %ret
; CHECK: call i32 @isascii
}
define i32 @t32(i32 %y) {
; CHECK-LABEL: @t32(
%ret = call i32 @isdigit(i32 %y)
ret i32 %ret
; CHECK: call i32 @isdigit
}
define i32 @t33(i32 %y) {
; CHECK-LABEL: @t33(
%ret = call i32 @toascii(i32 %y)
ret i32 %ret
; CHECK: call i32 @toascii
}
define i64 @t34(i64 %y) {
; CHECK-LABEL: @t34(
%ret = call i64 @labs(i64 %y)
ret i64 %ret
; CHECK: call i64 @labs
}
define i64 @t35(i64 %y) {
; CHECK-LABEL: @t35(
%ret = call i64 @llabs(i64 %y)
ret i64 %ret
; CHECK: call i64 @llabs
}
define void @t36() {
; CHECK-LABEL: @t36(
%x = getelementptr inbounds [1 x i8], [1 x i8]* @empty, i32 0, i32 0
call i32 @printf(i8* %x)
ret void
; CHECK: call i32 @printf
}
define void @t37(i8* %x) {
; CHECK-LABEL: @t37(
%y = getelementptr inbounds [13 x i8], [13 x i8]* @.str1, i32 0, i32 0
call i32 @sprintf(i8* %x, i8* %y)
ret void
; CHECK: call i32 @sprintf
}
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