From 223497e1ef756176152ece14c3cac6213714425e Mon Sep 17 00:00:00 2001
From: Sanjiv Gupta <sanjiv.gupta@microchip.com>
Date: Tue, 29 Dec 2009 03:24:34 +0000
Subject: [PATCH] Extern declaration for unordered.f32 libcall was not being
 emitted. Fixed that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92242 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/PIC16/PIC16ISelLowering.cpp |  1 +
 test/CodeGen/PIC16/C16-15.ll           | 44 ++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 test/CodeGen/PIC16/C16-15.ll

diff --git a/lib/Target/PIC16/PIC16ISelLowering.cpp b/lib/Target/PIC16/PIC16ISelLowering.cpp
index 3ab3f716f77..9f093e817df 100644
--- a/lib/Target/PIC16/PIC16ISelLowering.cpp
+++ b/lib/Target/PIC16/PIC16ISelLowering.cpp
@@ -226,6 +226,7 @@ PIC16TargetLowering::PIC16TargetLowering(PIC16TargetMachine &TM)
   setLibcallName(RTLIB::DIV_F32, getIntrinsicName(RTLIB::DIV_F32));
 
   // Floationg point comparison
+  setLibcallName(RTLIB::O_F32, getIntrinsicName(RTLIB::O_F32));
   setLibcallName(RTLIB::UO_F32, getIntrinsicName(RTLIB::UO_F32));
   setLibcallName(RTLIB::OLE_F32, getIntrinsicName(RTLIB::OLE_F32));
   setLibcallName(RTLIB::OGE_F32, getIntrinsicName(RTLIB::OGE_F32));
diff --git a/test/CodeGen/PIC16/C16-15.ll b/test/CodeGen/PIC16/C16-15.ll
new file mode 100644
index 00000000000..2e1dc0c0139
--- /dev/null
+++ b/test/CodeGen/PIC16/C16-15.ll
@@ -0,0 +1,44 @@
+; RUN: llc < %s -march=pic16 | grep "extern	@.lib.unordered.f32" | count 3
+
+@pc = global i8* inttoptr (i64 160 to i8*), align 1 ; <i8**> [#uses=2]
+@aa = common global i16 0, align 1                ; <i16*> [#uses=0]
+@c6214.auto.d = internal global float 0.000000e+00, align 4 ; <float*> [#uses=1]
+@c6214.auto.l = internal global float 0.000000e+00, align 4 ; <float*> [#uses=1]
+
+define float @dvalue(float %f) nounwind {
+entry:
+  ret float %f
+}
+
+define void @_assert(i16 %line, i16 %result) nounwind {
+entry:
+  %add = add i16 %line, %result                   ; <i16> [#uses=1]
+  %conv = trunc i16 %add to i8                    ; <i8> [#uses=1]
+  %tmp2 = load i8** @pc                           ; <i8*> [#uses=1]
+  store i8 %conv, i8* %tmp2
+  ret void
+}
+
+define i16 @main() nounwind {
+entry:
+  %retval = alloca i16, align 1                   ; <i16*> [#uses=2]
+  store i16 0, i16* %retval
+  call void @c6214()
+  %0 = load i16* %retval                          ; <i16> [#uses=1]
+  ret i16 %0
+}
+
+define internal void @c6214() nounwind {
+entry:
+  %call = call float @dvalue(float 0x3FF3C0CA40000000) ; <float> [#uses=3]
+  store float %call, float* @c6214.auto.d
+  store float %call, float* @c6214.auto.l
+  %cmp = fcmp ord float %call, 0.000000e+00       ; <i1> [#uses=1]
+  %conv = zext i1 %cmp to i16                     ; <i16> [#uses=1]
+  call void @_assert(i16 10, i16 %conv)
+  %tmp3 = load i8** @pc                           ; <i8*> [#uses=2]
+  %tmp4 = load i8* %tmp3                          ; <i8> [#uses=1]
+  %sub = add i8 %tmp4, -10                        ; <i8> [#uses=1]
+  store i8 %sub, i8* %tmp3
+  ret void
+}