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mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-23 19:23:23 +01:00
llvm-mirror/test/Transforms/InstCombine/fputs-1.ll
David Blaikie 3ea2df7c7b [opaque pointer type] Add textual IR support for explicit type parameter to gep operator
Similar to gep (r230786) and load (r230794) changes.

Similar migration script can be used to update test cases, which
successfully migrated all of LLVM and Polly, but about 4 test cases
needed manually changes in Clang.

(this script will read the contents of stdin and massage it into stdout
- wrap it in the 'apply.sh' script shown in previous commits + xargs to
apply it over a large set of test cases)

import fileinput
import sys
import re

rep = re.compile(r"(getelementptr(?:\s+inbounds)?\s*\()((<\d*\s+x\s+)?([^@]*?)(|\s*addrspace\(\d+\))\s*\*(?(3)>)\s*)(?=$|%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|zeroinitializer|<|\[\[[a-zA-Z]|\{\{)", re.MULTILINE | re.DOTALL)

def conv(match):
  line = match.group(1)
  line += match.group(4)
  line += ", "
  line += match.group(2)
  return line

line = sys.stdin.read()
off = 0
for match in re.finditer(rep, line):
  sys.stdout.write(line[off:match.start()])
  sys.stdout.write(conv(match))
  off = match.end()
sys.stdout.write(line[off:])

llvm-svn: 232184
2015-03-13 18:20:45 +00:00

44 lines
1.3 KiB
LLVM

; Test that the fputs library call simplifier works correctly.
;
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
%FILE = type { }
@empty = constant [1 x i8] zeroinitializer
@A = constant [2 x i8] c"A\00"
@hello = constant [7 x i8] c"hello\0A\00"
declare i32 @fputs(i8*, %FILE*)
; Check fputs(str, fp) --> fwrite(str, 1, strlen(s), fp).
define void @test_simplify1(%FILE* %fp) {
; CHECK-LABEL: @test_simplify1(
%str = getelementptr [1 x i8], [1 x i8]* @empty, i32 0, i32 0
call i32 @fputs(i8* %str, %FILE* %fp)
ret void
; CHECK-NEXT: ret void
}
; NOTE: The fwrite simplifier simplifies this further to fputc.
define void @test_simplify2(%FILE* %fp) {
; CHECK-LABEL: @test_simplify2(
%str = getelementptr [2 x i8], [2 x i8]* @A, i32 0, i32 0
call i32 @fputs(i8* %str, %FILE* %fp)
; CHECK-NEXT: call i32 @fputc(i32 65, %FILE* %fp)
ret void
; CHECK-NEXT: ret void
}
define void @test_simplify3(%FILE* %fp) {
; CHECK-LABEL: @test_simplify3(
%str = getelementptr [7 x i8], [7 x i8]* @hello, i32 0, i32 0
call i32 @fputs(i8* %str, %FILE* %fp)
; CHECK-NEXT: call i32 @fwrite(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @hello, i32 0, i32 0), i32 6, i32 1, %FILE* %fp)
ret void
; CHECK-NEXT: ret void
}