[PATCH] [AsmPrinter] handles addrspacecast in lowerConstant

[Jingyue Wu]

Hi eliben, jholewinski,

http://reviews.llvm.org/D9063

Files:
  lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  test/CodeGen/NVPTX/addrspacecast-gvar.ll

Index: lib/CodeGen/AsmPrinter/AsmPrinter.cpp
===================================================================
--- lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -1719,6 +1719,7 @@
     // blockaddress labels.  Since the two labels are in the same function, it
     // is reasonable to treat their delta as a 32-bit value.
     // FALL THROUGH.
+  case Instruction::AddrSpaceCast:
   case Instruction::BitCast:
     return lowerConstant(CE->getOperand(0));
 
Index: test/CodeGen/NVPTX/addrspacecast-gvar.ll
===================================================================
--- test/CodeGen/NVPTX/addrspacecast-gvar.ll
+++ test/CodeGen/NVPTX/addrspacecast-gvar.ll
@@ -3,7 +3,9 @@
 ; CHECK: .visible .global .align 4 .u32 g = 42;
 ; CHECK: .visible .global .align 4 .u32 g2 = generic(g);
 ; CHECK: .visible .global .align 4 .u32 g3 = g;
+; CHECK: .visible .global .align 8 .u32 g4[2] = {0, g+8};
 
 @g = addrspace(1) global i32 42
 @g2 = addrspace(1) global i32* addrspacecast (i32 addrspace(1)* @g to i32*)
 @g3 = addrspace(1) global i32 addrspace(1)* @g
+ at g4 = constant {i32*, i32*} {i32* null, i32* getelementptr (i32, i32* addrspacecast (i32 addrspace(1)* @g to i32*), i32 2)}

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