[llvm-commits] [llvm] r95746 - in /llvm/trunk/lib/CodeGen: CalcSpillWeights.cpp SelectionDAG/SelectionDAGBuilder.cpp

Evan Cheng evan.cheng at apple.com
Tue Feb 9 17:21:02 PST 2010


Author: evancheng
Date: Tue Feb  9 19:21:02 2010
New Revision: 95746

URL: http://llvm.org/viewvc/llvm-project?rev=95746&view=rev
Log:
Emit an error for illegal inline asm constraint (which uses illegal type) rather than asserting.

Modified:
    llvm/trunk/lib/CodeGen/CalcSpillWeights.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp

Modified: llvm/trunk/lib/CodeGen/CalcSpillWeights.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/CalcSpillWeights.cpp?rev=95746&r1=95745&r2=95746&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/CalcSpillWeights.cpp (original)
+++ llvm/trunk/lib/CodeGen/CalcSpillWeights.cpp Tue Feb  9 19:21:02 2010
@@ -20,6 +20,7 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetMachine.h"
 #include "llvm/Target/TargetRegisterInfo.h"
 #include "llvm/Target/TargetMachine.h"
 using namespace llvm;

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp?rev=95746&r1=95745&r2=95746&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp Tue Feb  9 19:21:02 2010
@@ -131,6 +131,17 @@
       }
     }
 
+    /// areValueTypesLegal - Return true if types of all the values are legal.
+    bool areValueTypesLegal() {
+      for (unsigned Value = 0, e = ValueVTs.size(); Value != e; ++Value) {
+        EVT RegisterVT = RegVTs[Value];
+        if (!TLI->isTypeLegal(RegisterVT))
+          return false;
+      }
+      return true;
+    }
+
+
     /// append - Add the specified values to this one.
     void append(const RegsForValue &RHS) {
       TLI = RHS.TLI;
@@ -5515,7 +5526,8 @@
              "Don't know how to handle indirect register inputs yet!");
 
       // Copy the input into the appropriate registers.
-      if (OpInfo.AssignedRegs.Regs.empty()) {
+      if (OpInfo.AssignedRegs.Regs.empty() ||
+          !OpInfo.AssignedRegs.areValueTypesLegal()) {
         llvm_report_error("Couldn't allocate input reg for"
                           " constraint '"+ OpInfo.ConstraintCode +"'!");
       }





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