Make sure we call externals from libraries properly when -static.

For example, when we are doing mips16 hard float or soft float.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174583 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/Mips/Mips16InstrInfo.td b/lib/Target/Mips/Mips16InstrInfo.td
index f0d6a2ace1220d2d611720c8852829a9950b2898..135df75693d2e5d23dd8b0ea97710ed6a35d231a 100644 (file)
--- a/lib/Target/Mips/Mips16InstrInfo.td
+++ b/lib/Target/Mips/Mips16InstrInfo.td
@@ -1094,6 +1094,9 @@ class UncondBranch16_pat<SDNode OpNode, Instruction I>:
 def : Mips16Pat<(MipsJmpLink (i32 tglobaladdr:$dst)),
                 (Jal16 tglobaladdr:$dst)>;
 
+def : Mips16Pat<(MipsJmpLink (i32 texternalsym:$dst)),
+                (Jal16 texternalsym:$dst)>;
+
 // Indirect branch
 def: Mips16Pat<
   (brind CPU16Regs:$rs),

diff --git a/test/CodeGen/Mips/fp16static.ll b/test/CodeGen/Mips/fp16static.ll
new file mode 100644 (file)
index 0000000..240ec75
--- /dev/null
+++ b/test/CodeGen/Mips/fp16static.ll
@@ -0,0 +1,13 @@
+; RUN: llc -march=mipsel -mcpu=mips16 -mips16-hard-float -soft-float -relocation-model=static < %s | FileCheck %s -check-prefix=CHECK-STATIC16
+
+@x = common global float 0.000000e+00, align 4
+
+define void @foo() nounwind {
+entry:
+  %0 = load float* @x, align 4
+  %1 = load float* @x, align 4
+  %mul = fmul float %0, %1
+  store float %mul, float* @x, align 4
+; CHECK-STATIC16: jal  __mips16_mulsf3
+  ret void
+}