From 78f8339f351c95cb6ed739b7e62f01ccc2716144 Mon Sep 17 00:00:00 2001
From: Reed Kotler <rkotler@mips.com>
Date: Tue, 8 Oct 2013 19:55:01 +0000
Subject: [PATCH] Add fabsf to the list of inlined functions; otherwise Mips16
 will try and create a stub for it and this will result in a link error
 because that function does not exist in libc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192223 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Mips/Mips16HardFloat.cpp |  1 +
 test/CodeGen/Mips/f16abs.ll         | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/lib/Target/Mips/Mips16HardFloat.cpp b/lib/Target/Mips/Mips16HardFloat.cpp
index 4d728bdfc69..81bf18cd09d 100644
--- a/lib/Target/Mips/Mips16HardFloat.cpp
+++ b/lib/Target/Mips/Mips16HardFloat.cpp
@@ -326,6 +326,7 @@ static void assureFPCallStub(Function &F, Module *M,
 //
 static const char *IntrinsicInline[] =
   {"fabs",
+   "fabsf",
    "llvm.ceil.f32", "llvm.ceil.f64",
    "llvm.copysign.f32", "llvm.copysign.f64",
    "llvm.cos.f32", "llvm.cos.f64",
diff --git a/test/CodeGen/Mips/f16abs.ll b/test/CodeGen/Mips/f16abs.ll
index 29743a2d70c..928914f067d 100644
--- a/test/CodeGen/Mips/f16abs.ll
+++ b/test/CodeGen/Mips/f16abs.ll
@@ -3,6 +3,11 @@
 @y = global double -1.450000e+00, align 8
 @x = common global double 0.000000e+00, align 8
 
+@y1 = common global float 0.000000e+00, align 4
+@x1 = common global float 0.000000e+00, align 4
+
+
+
 ; Function Attrs: nounwind optsize
 define i32 @main() #0 {
 entry:
@@ -11,12 +16,19 @@ entry:
   store double %call, double* @x, align 8
 ; static-NOT: 	.ent	__call_stub_fp_fabs
 ; static-NOT: 	jal fabs
+  %1 = load float* @y1, align 4
+  %call2 = tail call float @fabsf(float %1) #2
+  store float %call2, float* @x1, align 4
+; static-NOT: 	.ent	__call_stub_fp_fabsf
+; static-NOT: 	jal fabsf
   ret i32 0
 }
 
 ; Function Attrs: nounwind optsize readnone
 declare double @fabs(double) #1
 
+declare float @fabsf(float) #1
+
 attributes #0 = { nounwind optsize "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" }
 attributes #1 = { nounwind optsize readnone "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="true" }
 attributes #2 = { nounwind optsize readnone }