[llvm] r175920 - [mips] Emit call16 operator instead of got_disp. The former allows lazy binding.

[Akira Hatanaka]

Author: ahatanak
Date: Fri Feb 22 15:10:03 2013
New Revision: 175920

URL: http://llvm.org/viewvc/llvm-project?rev=175920&view=rev
Log:
[mips] Emit call16 operator instead of got_disp. The former allows lazy binding.

Added:
    llvm/trunk/test/CodeGen/Mips/mips64-libcall.ll
Removed:
    llvm/trunk/test/CodeGen/Mips/mips64-expand-libcall.ll
Modified:
    llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp

Modified: llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp?rev=175920&r1=175919&r2=175920&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/Mips/MipsISelLowering.cpp Fri Feb 22 15:10:03 2013
@@ -3298,9 +3298,7 @@ MipsTargetLowering::LowerCall(TargetLowe
     else if (LargeGOT)
       Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
                                      MipsII::MO_CALL_LO16);
-    else if (HasMips64)
-      Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_DISP);
-    else // O32 & PIC
+    else // N64 || PIC
       Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
 
     GlobalOrExternal = true;

Removed: llvm/trunk/test/CodeGen/Mips/mips64-expand-libcall.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/mips64-expand-libcall.ll?rev=175919&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/mips64-expand-libcall.ll (original)
+++ llvm/trunk/test/CodeGen/Mips/mips64-expand-libcall.ll (removed)
@@ -1,14 +0,0 @@
-; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s | FileCheck %s
-
-; Check that %add is not passed in an integer register.
-;
-; CHECK-NOT: dmfc1 $4
-
-define double @callfloor(double %d) nounwind readnone {
-entry:
-  %add = fadd double %d, 1.000000e+00
-  %call = tail call double @floor(double %add) nounwind readnone
-  ret double %call
-}
-
-declare double @floor(double) nounwind readnone

Added: llvm/trunk/test/CodeGen/Mips/mips64-libcall.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Mips/mips64-libcall.ll?rev=175920&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/Mips/mips64-libcall.ll (added)
+++ llvm/trunk/test/CodeGen/Mips/mips64-libcall.ll Fri Feb 22 15:10:03 2013
@@ -0,0 +1,29 @@
+; RUN: llc -march=mips64el -mcpu=mips64r2 -O3 < %s |\
+; RUN: FileCheck %s -check-prefix=HARD
+; RUN: llc -march=mips64el -mcpu=mips64r2 -soft-float < %s |\
+; RUN: FileCheck %s -check-prefix=SOFT
+
+; Check that %add is not passed in an integer register.
+;
+; HARD    : callfloor:
+; HARD-NOT: dmfc1 $4
+
+define double @callfloor(double %d) nounwind readnone {
+entry:
+  %add = fadd double %d, 1.000000e+00
+  %call = tail call double @floor(double %add) nounwind readnone
+  ret double %call
+}
+
+declare double @floor(double) nounwind readnone
+
+; Check call16.
+;
+; SOFT: f64add:
+; SOFT: ld $25, %call16(__adddf3)
+
+define double @f64add(double %a, double %b) {
+entry:
+  %add = fadd double %a, %b
+  ret double %add
+}