[llvm] r211946 - [NVPTX] Add 'b' asm constraint

[Justin Holewinski]

Author: jholewinski
Date: Fri Jun 27 13:36:06 2014
New Revision: 211946

URL: http://llvm.org/viewvc/llvm-project?rev=211946&view=rev
Log:
[NVPTX] Add 'b' asm constraint

Modified:
    llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
    llvm/trunk/test/CodeGen/NVPTX/inline-asm.ll

Modified: llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp?rev=211946&r1=211945&r2=211946&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp Fri Jun 27 13:36:06 2014
@@ -2605,6 +2605,7 @@ NVPTXTargetLowering::getConstraintType(c
     switch (Constraint[0]) {
     default:
       break;
+    case 'b':
     case 'r':
     case 'h':
     case 'c':
@@ -2624,6 +2625,8 @@ NVPTXTargetLowering::getRegForInlineAsmC
                                                   MVT VT) const {
   if (Constraint.size() == 1) {
     switch (Constraint[0]) {
+    case 'b':
+      return std::make_pair(0U, &NVPTX::Int1RegsRegClass);
     case 'c':
       return std::make_pair(0U, &NVPTX::Int16RegsRegClass);
     case 'h':

Modified: llvm/trunk/test/CodeGen/NVPTX/inline-asm.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/NVPTX/inline-asm.ll?rev=211946&r1=211945&r2=211946&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/NVPTX/inline-asm.ll (original)
+++ llvm/trunk/test/CodeGen/NVPTX/inline-asm.ll Fri Jun 27 13:36:06 2014
@@ -7,3 +7,10 @@ entry:
   %0 = call float asm "ex2.approx.ftz.f32 $0, $1;", "=f,f"(float %x)
   ret float %0
 }
+
+define i32 @foo(i1 signext %cond, i32 %a, i32 %b) #0 {
+entry:
+; CHECK: selp.b32 %r{{[0-9]+}}, %r{{[0-9]+}}, %r{{[0-9]+}}, %p{{[0-9]+}}
+  %0 = tail call i32 asm "selp.b32 $0, $1, $2, $3;", "=r,r,r,b"(i32 %a, i32 %b, i1 %cond)
+  ret i32 %0
+}