Fix no inputs xla call

Author: glou-nes

src/XLA.jl

@@ -285,14 +285,19 @@ end
 function execute_ir(N, n_outs, fn)
     ptr = sizeof(Int) == sizeof(Int64) ? "i64" : "i32"
     cint = sizeof(Cint) == sizeof(Int64) ? "i64" : "i32"
-    res = """define { [$n_outs x $ptr], [$n_outs x $ptr], i8 } @f($ptr %exec, [$N x $ptr] %inps, [$N x i8] %donated) alwaysinline {
+    args = N > 0 ? ", [$N x $ptr] %inps, [$N x i8] %donated" : ""
+    stores = N > 0 ? """
+store [$N x $ptr] %inps, [$N x $ptr]* %inpa
+store [$N x i8] %donated, [$N x i8]* %dona
+    """ : ""
+
+    res = """define { [$n_outs x $ptr], [$n_outs x $ptr], i8 } @f($ptr %exec $args) alwaysinline {
 entry:
     %inpa = alloca [$N x $ptr]
+    %dona = alloca [$N x i8]
     %outa = alloca [$n_outs x $ptr]
     %futpa = alloca [$n_outs x $ptr]
-    store [$N x $ptr] %inps, [$N x $ptr]* %inpa
-    %dona = alloca [$N x i8]
-    store [$N x i8] %donated, [$N x i8]* %dona
+    $stores
     %futa = alloca i8
     call void inttoptr ($ptr $fn to void ($ptr, $cint, [$N x $ptr]*, [$N x i8]*, $cint, [$n_outs x $ptr]*, i8*, [$n_outs x $ptr]*)*)($ptr %exec, $cint $N, [$N x $ptr]* nocapture readonly %inpa, [$N x i8]* nocapture readonly %dona, $cint $n_outs, [$n_outs x $ptr]* nocapture writeonly %outa, i8* nocapture writeonly %futa, [$n_outs x $ptr]* nocapture writeonly %futpa)
     %out = load [$n_outs x $ptr], [$n_outs x $ptr]* %outa
@@ -323,17 +328,19 @@ end
             :(AsyncBuffer(Buffer(outputs[$i]), future ? Future(future_res[$i]) : nothing)),
         )
     end
+
+    args_type = N > 0 ? (Ptr{Cvoid}, NTuple{N,Ptr{Cvoid}}, NTuple{N,UInt8}) : (Ptr{Cvoid},)
+    args = N > 0 ? (:inputs, :donated_args) : ()
     return quote
         Base.@_inline_meta
         exec = exec.exec
         GC.@preserve exec begin
             outputs, future_res, future = Base.llvmcall(
                 ($ir, "f"),
                 Tuple{NTuple{n_outs,Ptr{Cvoid}},NTuple{n_outs,Ptr{Cvoid}},Bool},
-                Tuple{Ptr{Cvoid},NTuple{N,Ptr{Cvoid}},NTuple{N,UInt8}},
+                Tuple{$args_type...},
                 exec,
-                inputs,
-                donated_args,
+                $(args...),
             )
         end
         return ($(results...),)

test/ops.jl

@@ -140,13 +140,12 @@ end
 end
 
 @testset "constant" begin
-    # TODO currently crashes due to #196
-    # for x in [[1, 2, 3], [1.1, 2.2, 3.3], [1.1 + 2.2im, 3.3 + 4.4im, 5.5 + 6.6im]]
-    #     @test x ≈ @jit Ops.constant(x)
+    for x in [[1, 2, 3], [1.1, 2.2, 3.3], [1.1 + 2.2im, 3.3 + 4.4im, 5.5 + 6.6im]]
+        @test x ≈ @jit Ops.constant(x)
 
-    #     xscalar = x[1]
-    #     @test xscalar ≈ @jit Ops.constant(xscalar)
-    # end
+        xscalar = x[1]
+        @test xscalar ≈ @jit Ops.constant(xscalar)
+    end
 end
 
 @testset "cosine" begin
@@ -281,22 +280,21 @@ end
 end
 
 @testset "iota" begin
-    # TODO this crashes. seems like the same error as #196
-    # g1(shape) = Ops.iota(Int, shape; iota_dimension=1)
-    # @test [
-    #     0 0 0 0 0
-    #     1 1 1 1 1
-    #     2 2 2 2 2
-    #     3 3 3 3 3
-    # ] ≈ @jit g1([4, 5])
-
-    # g2(shape) = Ops.iota(Int, shape; iota_dimension=2)
-    # @test [
-    #     0 1 2 3 4
-    #     0 1 2 3 4
-    #     0 1 2 3 4
-    #     0 1 2 3 4
-    # ] ≈ @jit g2([4, 5])
+    g1(shape) = Ops.iota(Int, shape; iota_dimension=1)
+    @test [
+        0 0 0 0 0
+        1 1 1 1 1
+        2 2 2 2 2
+        3 3 3 3 3
+    ] ≈ @jit g1([4, 5])
+
+    g2(shape) = Ops.iota(Int, shape; iota_dimension=2)
+    @test [
+        0 1 2 3 4
+        0 1 2 3 4
+        0 1 2 3 4
+        0 1 2 3 4
+    ] ≈ @jit g2([4, 5])
 end
 
 @testset "is_finite" begin
@@ -443,8 +441,7 @@ end
 end
 
 @testset "partition_id" begin
-    # TODO this crashes. seems like the same error as #196
-    # @test @jit(Ops.partition_id()) isa ConcreteRNumber{UInt32}
+    @test @jit(Ops.partition_id()) isa ConcreteRNumber{UInt32}
 end
 
 @testset "popcnt" begin
@@ -481,8 +478,7 @@ end
 end
 
 @testset "replica_id" begin
-    # TODO this crashes. seems like the same error as #196
-    # @test @jit(Ops.partition_id()) isa ConcreteRNumber{UInt32}
+    @test @jit(Ops.partition_id()) isa ConcreteRNumber{UInt32}
 end
 
 @testset "reshape" begin