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llvm/test/CodeGen/WebAssembly
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Derek Schuff 561fb73b85 [WebAssembly] Emit type signatures for declared functions 
Under emscripten, C code can take the address of a function implemented
in Javascript (which is exposed via an import in wasm). Because imports
do not have linear memory address in wasm, we need to generate a thunk
to be the target of the indirect call; it call the import directly.

To make this possible, LLVM needs to emit the type signatures for these
functions, because they may not be called directly or referred to other
than where the address is taken.

This uses s new .s directive (.functype) which specifies the signature.

Differential Revision: http://reviews.llvm.org/D20891

Re-apply r271599 but instead of bailing with an error when a declared
function has multiple returns, replace it with a pointer argument. Also
add the test case I forgot to 'git add' last time around.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271703 91177308-0d34-0410-b5e6-96231b3b80d8
2016-06-03 18:34:36 +00:00
..
address-offsets.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
byval.ll [WebAssembly] Put __stack_pointer in the offset field of loads and stores. 2016-05-24 23:47:41 +00:00
call.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
cfg-stackify.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
comparisons_f32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
comparisons_f64.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
comparisons_i32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
comparisons_i64.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
conv.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
copysign-casts.ll
cpus.ll
dead-vreg.ll
divrem-constant.ll [WebAssembly] Don't expand divisions by constants. 2016-05-18 14:29:42 +00:00
f32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
f64.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
fast-isel.ll [WebAssembly] Preliminary fast-isel support. 2016-05-10 17:39:48 +00:00
frem.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
func.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
global.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
globl.ll
i32-load-store-alignment.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
i32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
i64-load-store-alignment.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
i64.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
i128.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
ident.ll
immediates.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
indirect-import.ll [WebAssembly] Emit type signatures for declared functions 2016-06-03 18:34:36 +00:00
inline-asm.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
irreducible-cfg.ll [WebAssembly] Account for implicit operands when computing operand indices. 2016-04-26 01:40:56 +00:00
legalize.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
lit.local.cfg
load-ext.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
load-store-i1.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
load.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
mem-intrinsics.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
memory-addr32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
memory-addr64.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
non-executable-stack.ll
offset-folding.ll
offset.ll [WebAssembly] Rename $discard to $drop in the assembly output. 2016-05-17 23:19:03 +00:00
phi.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
reg-stackify.ll [WebAssembly] Put __stack_pointer in the offset field of loads and stores. 2016-05-24 23:47:41 +00:00
return-int32.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
return-void.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
returned.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
select.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
signext-zeroext.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
store-results.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
store-trunc.ll [WebAssembly] Rename $discard to $drop in the assembly output. 2016-05-17 23:19:03 +00:00
store.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
switch.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
unreachable.ll [WebAssembly] Preliminary fast-isel support. 2016-05-10 17:39:48 +00:00
unused-argument.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
userstack.ll [WebAssembly] Put __stack_pointer in the offset field of loads and stores. 2016-05-24 23:47:41 +00:00
varargs.ll [WebAssembly] Optimize away return instructions using fallthroughs. 2016-05-21 00:21:56 +00:00
vtable.ll