From 4129135186d84a992ba0e9cb9ae890fe1e6e19b3 Mon Sep 17 00:00:00 2001
From: Sanjay Patel <spatel@rotateright.com>
Date: Sat, 4 Nov 2017 15:03:11 +0000
Subject: [PATCH] [CodeGen] add remquo to list of recognized library calls

This is just an oversight because we already do recognize __builtin_remquo()
with the same signature.

http://en.cppreference.com/w/c/numeric/math/remquo
http://pubs.opengroup.org/onlinepubs/9699919799/functions/remquo.html

Differential Revision: https://reviews.llvm.org/D39615


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@317407 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/clang/Basic/Builtins.def |  4 ++++
 test/CodeGen/libcalls-errno.c    | 12 ++++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/include/clang/Basic/Builtins.def b/include/clang/Basic/Builtins.def
index ab7d22f880c..34ffd8d8138 100644
--- a/include/clang/Basic/Builtins.def
+++ b/include/clang/Basic/Builtins.def
@@ -1162,6 +1162,10 @@ LIBBUILTIN(remainder, "ddd", "fne", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(remainderf, "fff", "fne", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(remainderl, "LdLdLd", "fne", "math.h", ALL_LANGUAGES)
 
+LIBBUILTIN(remquo, "dddi*", "fn", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(remquof, "fffi*", "fn", "math.h", ALL_LANGUAGES)
+LIBBUILTIN(remquol, "LdLdLdi*", "fn", "math.h", ALL_LANGUAGES)
+
 LIBBUILTIN(rint, "dd", "fnc", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(rintf, "ff", "fnc", "math.h", ALL_LANGUAGES)
 LIBBUILTIN(rintl, "LdLd", "fnc", "math.h", ALL_LANGUAGES)
diff --git a/test/CodeGen/libcalls-errno.c b/test/CodeGen/libcalls-errno.c
index 64bd83fece9..7813dc1cc25 100644
--- a/test/CodeGen/libcalls-errno.c
+++ b/test/CodeGen/libcalls-errno.c
@@ -418,10 +418,14 @@ void foo() {
 // HAS_ERRNO: declare float @remainderf(float, float) [[NOT_READNONE]]
 // HAS_ERRNO: declare x86_fp80 @remainderl(x86_fp80, x86_fp80) [[NOT_READNONE]]
 
-//
-// FIXME: remquo is not recognized as a mathlib call.
-//
-  // remquo(f,f,i);  remquof(f,f,i); remquol(f,f,i);
+  remquo(f,f,i);  remquof(f,f,i); remquol(f,f,i);
+
+// NO__ERRNO: declare double @remquo(double, double, i32*) [[NOT_READNONE]]
+// NO__ERRNO: declare float @remquof(float, float, i32*) [[NOT_READNONE]]
+// NO__ERRNO: declare x86_fp80 @remquol(x86_fp80, x86_fp80, i32*) [[NOT_READNONE]]
+// HAS_ERRNO: declare double @remquo(double, double, i32*) [[NOT_READNONE]]
+// HAS_ERRNO: declare float @remquof(float, float, i32*) [[NOT_READNONE]]
+// HAS_ERRNO: declare x86_fp80 @remquol(x86_fp80, x86_fp80, i32*) [[NOT_READNONE]]
 
   rint(f);       rintf(f);      rintl(f);
 
-- 
GitLab