Make sure to realize that calls use their argument regs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21248 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64InstrInfo.td b/lib/Target/IA64/IA64InstrInfo.td
index c576733..0dc4cb2 100644
--- a/lib/Target/IA64/IA64InstrInfo.td
+++ b/lib/Target/IA64/IA64InstrInfo.td
@@ -310,6 +310,7 @@
 }
 
 let isCall = 1, isTerminator = 1, isBranch = 1, 
+  Uses = [out0,out1,out2,out3,out4,out5,out6,out7],
 // all calls clobber non-callee-saved registers, and for now, they are these:
   Defs = [r2,r3,r8,r9,r10,r11,r14,r15,r16,r17,r18,r19,r20,r21,r22,r23,r24,
   r25,r26,r27,r28,r29,r30,r31,