[WebAssembly] Support for direct call and call_indirect.

[oota-llvm.git] / test / CodeGen / WebAssembly / call.ll

diff --git a/test/CodeGen/WebAssembly/call.ll b/test/CodeGen/WebAssembly/call.ll
index c605285d521053cb4cc9f0bc75e387862de0492e..bf2ae7615ad56fde67f33020a16ad4059857e387 100644 (file)
--- a/test/CodeGen/WebAssembly/call.ll
+++ b/test/CodeGen/WebAssembly/call.ll
@@ -2,22 +2,105 @@
 
 ; Test that basic call operations assemble as expected.
 
-target datalayout = "e-p:32:32-i64:64-v128:8:128-n32:64-S128"
+target datalayout = "e-p:32:32-i64:64-n32:64-S128"
 target triple = "wasm32-unknown-unknown"
 
+declare i32 @i32_nullary()
+declare i32 @i32_unary(i32)
+declare i32 @i32_binary(i32, i32)
+declare i64 @i64_nullary()
+declare float @float_nullary()
+declare double @double_nullary()
 declare void @void_nullary()
-declare void @int32_nullary()
 
-; CHECK-LABEL: call_void_nullary:
-; CHECK-NEXT: (call @foo)
+; CHECK-LABEL: (func $call_i32_nullary
+; CHECK-NEXT: (result i32)
+; CHECK-NEXT: (setlocal @0 (call $i32_nullary))
+; CHECK-NEXT: (return @0)
+define i32 @call_i32_nullary() {
+  %r = call i32 @i32_nullary()
+  ret i32 %r
+}
+
+; CHECK-LABEL: (func $call_i64_nullary
+; CHECK-NEXT: (result i64)
+; CHECK-NEXT: (setlocal @0 (call $i64_nullary))
+; CHECK-NEXT: (return @0)
+define i64 @call_i64_nullary() {
+  %r = call i64 @i64_nullary()
+  ret i64 %r
+}
+
+; CHECK-LABEL: (func $call_float_nullary
+; CHECK-NEXT: (result f32)
+; CHECK-NEXT: (setlocal @0 (call $float_nullary))
+; CHECK-NEXT: (return @0)
+define float @call_float_nullary() {
+  %r = call float @float_nullary()
+  ret float %r
+}
+
+; CHECK-LABEL: (func $call_double_nullary
+; CHECK-NEXT: (result f64)
+; CHECK-NEXT: (setlocal @0 (call $double_nullary))
+; CHECK-NEXT: (return @0)
+define double @call_double_nullary() {
+  %r = call double @double_nullary()
+  ret double %r
+}
+
+; CHECK-LABEL: (func $call_void_nullary
+; CHECK-NEXT: (call $void_nullary)
 ; CHECK-NEXT: (return)
 define void @call_void_nullary() {
   call void @void_nullary()
   ret void
 }
 
+; CHECK-LABEL: (func $call_i32_unary
+; CHECK-NEXT: (param i32) (result i32)
+; CHECK-NEXT: (setlocal @0 (argument 0))
+; CHECK-NEXT: (setlocal @1 (call $i32_unary @0))
+; CHECK-NEXT: (return @1)
+define i32 @call_i32_unary(i32 %a) {
+  %r = call i32 @i32_unary(i32 %a)
+  ret i32 %r
+}
+
+; CHECK-LABEL: (func $call_i32_binary
+; CHECK-NEXT: (param i32) (param i32) (result i32)
+; CHECK-NEXT: (setlocal @0 (argument 1))
+; CHECK-NEXT: (setlocal @1 (argument 0))
+; CHECK-NEXT: (setlocal @2 (call $i32_binary @1 @0))
+; CHECK-NEXT: (return @2)
+define i32 @call_i32_binary(i32 %a, i32 %b) {
+  %r = call i32 @i32_binary(i32 %a, i32 %b)
+  ret i32 %r
+}
+
+; CHECK-LABEL: (func $call_indirect_void
+; CHECK-NEXT: (param i32)
+; CHECK-NEXT: (setlocal @0 (argument 0))
+; CHECK-NEXT: (call_indirect @0)
+; CHECK-NEXT: (return)
+define void @call_indirect_void(void ()* %callee) {
+  call void %callee()
+  ret void
+}
+
+; CHECK-LABEL: (func $call_indirect_i32
+; CHECK-NEXT: (param i32)
+; CHECK-NEXT: (setlocal @0 (argument 0))
+; CHECK-NEXT: (setlocal @1 (call_indirect @0))
+; CHECK-NEXT: (return @1)
+define i32 @call_indirect_i32(i32 ()* %callee) {
+  %t = call i32 %callee()
+  ret i32 %t
+}
 
-; tail call
-; multiple args
-; interesting returns (int, float, struct, multiple)
-; vararg
+; FIXME test the following:
+;  - Functions without return.
+;  - More argument combinations.
+;  - Tail call.
+;  - Interesting returns (struct, multiple).
+;  - Vararg.