[llvm] r253276 - [WebAssembly] Fix printing of global operands

[Derek Schuff via llvm-commits]

Author: dschuff
Date: Mon Nov 16 18:20:44 2015
New Revision: 253276

URL: http://llvm.org/viewvc/llvm-project?rev=253276&view=rev
Log:
[WebAssembly] Fix printing of global operands

This was regressed in r252656 which wasn't quite NFC. Instead of using a
custom instruction as before, use a pattern to select CONST_I32 for the
global addrs.

Differential Revision: http://reviews.llvm.org/D14587

Modified:
    llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
    llvm/trunk/test/CodeGen/WebAssembly/global.ll

Modified: llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td?rev=253276&r1=253275&r2=253276&view=diff
==============================================================================
--- llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td (original)
+++ llvm/trunk/lib/Target/WebAssembly/WebAssemblyInstrInfo.td Mon Nov 16 18:20:44 2015
@@ -106,10 +106,10 @@ def CONST_F64 : I<(outs F64:$res), (ins
                   [(set F64:$res, fpimm:$imm)],
                   "f64.const\t$res, $imm">;
 
-// Special types of immediates. FIXME: Hard-coded as 32-bit for now.
-def GLOBAL : I<(outs I32:$dst), (ins global:$addr),
-               [(set I32:$dst, (WebAssemblywrapper tglobaladdr:$addr))],
-               "global\t$dst, $addr">;
+
+def : Pat<(i32 (WebAssemblywrapper tglobaladdr :$dst)),
+          (CONST_I32 tglobaladdr :$dst)>;
+
 def JUMP_TABLE : I<(outs I32:$dst), (ins tjumptable_op:$addr),
                    [(set I32:$dst, (WebAssemblywrapper tjumptable:$addr))],
                    "jump_table\t$dst, $addr">;

Modified: llvm/trunk/test/CodeGen/WebAssembly/global.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/WebAssembly/global.ll?rev=253276&r1=253275&r2=253276&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/WebAssembly/global.ll (original)
+++ llvm/trunk/test/CodeGen/WebAssembly/global.ll Mon Nov 16 18:20:44 2015
@@ -9,6 +9,13 @@ target triple = "wasm32-unknown-unknown"
 ; CHECK-NOT: llvm.metadata
 @llvm.used = appending global [1 x i32*] [i32* @g], section "llvm.metadata"
 
+; CHECK: foo:
+; CHECK: i32.const $push, answer
+define i32 @foo() {
+  %a = load i32, i32* @answer
+  ret i32 %a
+}
+
 ; CHECK: .type   g, at object
 ; CHECK: .align  2{{$}}
 ; CHECK-NEXT: g: