[WebAssembly] Reverse the order of operands for br_if

Summary: This is to match the new version in the spec

Reviewers: sunfish

Subscribers: jfb, llvm-commits, dschuff

Differential Revision: http://reviews.llvm.org/D14519

llvm-svn: 253249

2 files changed, 6 insertions, 6 deletions

diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
index af73a93c207..dd63e98efe9 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td
@@ -13,9 +13,9 @@
 //===----------------------------------------------------------------------===//
 
 let isBranch = 1, isTerminator = 1, hasCtrlDep = 1 in {
-def BR_IF : I<(outs), (ins bb_op:$dst, I32:$a),
+def BR_IF : I<(outs), (ins I32:$a, bb_op:$dst),
               [(brcond I32:$a, bb:$dst)],
-              "br_if\t$dst, $a">;
+               "br_if\t$a, $dst">;
 let isBarrier = 1 in {
 def BR   : I<(outs), (ins bb_op:$dst),
              [(br bb:$dst)],
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.cpp
index fe27b1ac669..ed30b535480 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrInfo.cpp
@@ -54,8 +54,8 @@ bool WebAssemblyInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,
     case WebAssembly::BR_IF:
       if (HaveCond)
         return true;
-      Cond.push_back(MI.getOperand(1));
-      TBB = MI.getOperand(0).getMBB();
+      Cond.push_back(MI.getOperand(0));
+      TBB = MI.getOperand(1).getMBB();
       HaveCond = true;
       break;
     case WebAssembly::BR:
@@ -105,8 +105,8 @@ unsigned WebAssemblyInstrInfo::InsertBranch(
   }
 
   BuildMI(&MBB, DL, get(WebAssembly::BR_IF))
-      .addMBB(TBB)
-      .addOperand(Cond[0]);
+      .addOperand(Cond[0])
+      .addMBB(TBB);
   if (!FBB)
     return 1;