From 9dd55a80655780cc5e38937958106bdb0143e669 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Thu, 12 Nov 2015 06:10:03 +0000 Subject: [WebAssembly] Switch to MC for instruction printing. This encompasses several changes which are all interconnected: - Use the MC framework for printing almost all instructions. - AsmStrings are now live. - This introduces an indirection between LLVM vregs and WebAssembly registers, and a new pass, WebAssemblyRegNumbering, for computing a basic the mapping. This addresses some basic issues with argument registers and unused registers. - The way ARGUMENT instructions are handled no longer generates redundant get_local+set_local for every argument. This also changes the assembly syntax somewhat; most notably, MC's printing use sigils on label names, so those are no longer present, and push/pop now have a sigil to keep them unambiguous. The usage of set_local/get_local/$push/$pop will continue to evolve significantly. This patch is just one step of a larger change. llvm-svn: 252858 --- llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td') diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td index 6aae5d38d0b..acfd738a8fa 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td +++ b/llvm/lib/Target/WebAssembly/WebAssemblyInstrControl.td @@ -41,9 +41,11 @@ def BR : I<(outs), (ins bb_op:$dst), // currently. let isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 in { def SWITCH_I32 : I<(outs), (ins I32:$index, variable_ops), - [(WebAssemblyswitch I32:$index)]>; + [(WebAssemblyswitch I32:$index)], + "switch $index">; def SWITCH_I64 : I<(outs), (ins I64:$index, variable_ops), - [(WebAssemblyswitch I64:$index)]>; + [(WebAssemblyswitch I64:$index)], + "switch $index">; } // isTerminator = 1, hasCtrlDep = 1, isBarrier = 1 // Placemarkers to indicate the start of a block or loop scope. -- cgit v1.2.3