242 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			242 lines
		
	
	
		
			8.6 KiB
		
	
	
	
		
			LLVM
		
	
	
	
| ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -mattr=+sign-ext,+simd128 | FileCheck --check-prefixes=CHECK,NO-TAIL %s
 | |
| ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -mattr=+sign-ext,+simd128 | FileCheck --check-prefixes=CHECK,NO-TAIL %s
 | |
| ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -mattr=+sign-ext,+simd128,+tail-call | FileCheck --check-prefixes=CHECK,SLOW-TAIL %s
 | |
| ; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-keep-registers -fast-isel -fast-isel-abort=1 -mattr=+sign-ext,+simd128,+tail-call | FileCheck --check-prefixes=CHECK,FAST-TAIL %s
 | |
| 
 | |
| ; Test that basic call operations assemble as expected.
 | |
| 
 | |
| target datalayout = "e-m: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 <16 x i8> @v128_nullary()
 | |
| declare void @void_nullary()
 | |
| 
 | |
| ; CHECK-LABEL: call_i32_nullary:
 | |
| ; CHECK-NEXT: .functype call_i32_nullary () -> (i32){{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_nullary{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i32 @call_i32_nullary() {
 | |
|   %r = call i32 @i32_nullary()
 | |
|   ret i32 %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_i64_nullary:
 | |
| ; CHECK-NEXT: .functype call_i64_nullary () -> (i64){{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i64_nullary{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i64 @call_i64_nullary() {
 | |
|   %r = call i64 @i64_nullary()
 | |
|   ret i64 %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_float_nullary:
 | |
| ; CHECK-NEXT: .functype call_float_nullary () -> (f32){{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, float_nullary{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define float @call_float_nullary() {
 | |
|   %r = call float @float_nullary()
 | |
|   ret float %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_double_nullary:
 | |
| ; CHECK-NEXT: .functype call_double_nullary () -> (f64){{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, double_nullary{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define double @call_double_nullary() {
 | |
|   %r = call double @double_nullary()
 | |
|   ret double %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_v128_nullary:
 | |
| ; CHECK-NEXT: .functype call_v128_nullary () -> (v128){{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, v128_nullary{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define <16 x i8> @call_v128_nullary() {
 | |
|   %r = call <16 x i8> @v128_nullary()
 | |
|   ret <16 x i8> %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_void_nullary:
 | |
| ; CHECK-NEXT: .functype call_void_nullary () -> (){{$}}
 | |
| ; CHECK-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; CHECK-NEXT: return{{$}}
 | |
| define void @call_void_nullary() {
 | |
|   call void @void_nullary()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_i32_unary:
 | |
| ; CHECK-NEXT: .functype call_i32_unary (i32) -> (i32){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_unary, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i32 @call_i32_unary(i32 %a) {
 | |
|   %r = call i32 @i32_unary(i32 %a)
 | |
|   ret i32 %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_i32_binary:
 | |
| ; CHECK-NEXT: .functype call_i32_binary (i32, i32) -> (i32){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 1{{$}}
 | |
| ; CHECK-NEXT: {{^}} call $push[[NUM:[0-9]+]]=, i32_binary, $pop[[L0]], $pop[[L1]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i32 @call_i32_binary(i32 %a, i32 %b) {
 | |
|   %r = call i32 @i32_binary(i32 %a, i32 %b)
 | |
|   ret i32 %r
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_void:
 | |
| ; CHECK-NEXT: .functype call_indirect_void (i32) -> (){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return{{$}}
 | |
| define void @call_indirect_void(void ()* %callee) {
 | |
|   call void %callee()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_i32:
 | |
| ; CHECK-NEXT: .functype call_indirect_i32 (i32) -> (i32){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i32 @call_indirect_i32(i32 ()* %callee) {
 | |
|   %t = call i32 %callee()
 | |
|   ret i32 %t
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_i64:
 | |
| ; CHECK-NEXT: .functype call_indirect_i64 (i32) -> (i64){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define i64 @call_indirect_i64(i64 ()* %callee) {
 | |
|   %t = call i64 %callee()
 | |
|   ret i64 %t
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_float:
 | |
| ; CHECK-NEXT: .functype call_indirect_float (i32) -> (f32){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define float @call_indirect_float(float ()* %callee) {
 | |
|   %t = call float %callee()
 | |
|   ret float %t
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_double:
 | |
| ; CHECK-NEXT: .functype call_indirect_double (i32) -> (f64){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define double @call_indirect_double(double ()* %callee) {
 | |
|   %t = call double %callee()
 | |
|   ret double %t
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_v128:
 | |
| ; CHECK-NEXT: .functype call_indirect_v128 (i32) -> (v128){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
 | |
| ; CHECK-NEXT: return $pop[[NUM]]{{$}}
 | |
| define <16 x i8> @call_indirect_v128(<16 x i8> ()* %callee) {
 | |
|   %t = call <16 x i8> %callee()
 | |
|   ret <16 x i8> %t
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_arg:
 | |
| ; CHECK-NEXT: .functype call_indirect_arg (i32, i32) -> (){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 1{{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $pop[[L0]], $pop[[L1]]{{$}}
 | |
| ; CHECK-NEXT: return{{$}}
 | |
| define void @call_indirect_arg(void (i32)* %callee, i32 %arg) {
 | |
|   call void %callee(i32 %arg)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_indirect_arg_2:
 | |
| ; CHECK-NEXT: .functype call_indirect_arg_2 (i32, i32, i32) -> (){{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L0:[0-9]+]]=, 1{{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L1:[0-9]+]]=, 2{{$}}
 | |
| ; CHECK-NEXT: local.get $push[[L2:[0-9]+]]=, 0{{$}}
 | |
| ; CHECK-NEXT: {{^}} call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L2]]{{$}}
 | |
| ; CHECK-NEXT: drop $pop[[NUM]]{{$}}
 | |
| ; CHECK-NEXT: return{{$}}
 | |
| define void @call_indirect_arg_2(i32 (i32, i32)* %callee, i32 %arg, i32 %arg2) {
 | |
|   call i32 %callee(i32 %arg, i32 %arg2)
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: tail_call_void_nullary:
 | |
| ; CHECK-NEXT: .functype tail_call_void_nullary () -> (){{$}}
 | |
| ; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; NO-TAIL-NEXT: return{{$}}
 | |
| ; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: return{{$}}
 | |
| define void @tail_call_void_nullary() {
 | |
|   tail call void @void_nullary()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: fastcc_tail_call_void_nullary:
 | |
| ; CHECK-NEXT: .functype fastcc_tail_call_void_nullary () -> (){{$}}
 | |
| ; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; NO-TAIL-NEXT: return{{$}}
 | |
| ; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: return{{$}}
 | |
| define void @fastcc_tail_call_void_nullary() {
 | |
|   tail call fastcc void @void_nullary()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: coldcc_tail_call_void_nullary:
 | |
| ; CHECK-NEXT: .functype coldcc_tail_call_void_nullary () -> (){{$}}
 | |
| ; NO-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; NO-TAIL-NEXT: return{{$}}
 | |
| ; SLOW-TAIL-NEXT: {{^}} return_call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: {{^}} call void_nullary{{$}}
 | |
| ; FAST-TAIL-NEXT: return{{$}}
 | |
| define void @coldcc_tail_call_void_nullary() {
 | |
|   tail call coldcc void @void_nullary()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; CHECK-LABEL: call_constexpr:
 | |
| ; CHECK-NEXT: .functype call_constexpr () -> (){{$}}
 | |
| ; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 2{{$}}
 | |
| ; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 3{{$}}
 | |
| ; CHECK-NEXT: call .Lvararg_func_bitcast, $pop[[L0]], $pop[[L1]]{{$}}
 | |
| ; CHECK-NEXT: call other_void_nullary{{$}}
 | |
| ; CHECK-NEXT: call void_nullary{{$}}
 | |
| ; CHECK-NEXT: return{{$}}
 | |
| declare void @vararg_func(...)
 | |
| declare void @other_void_nullary()
 | |
| define void @call_constexpr() {
 | |
| bb0:
 | |
|   call void bitcast (void (...)* @vararg_func to void (i32, i32)*)(i32 2, i32 3)
 | |
|   br label %bb1
 | |
| bb1:
 | |
|   call void select (i1 0, void ()* @void_nullary, void ()* @other_void_nullary)()
 | |
|   br label %bb2
 | |
| bb2:
 | |
|   call void inttoptr (i32 ptrtoint (void ()* @void_nullary to i32) to void ()*)()
 | |
|   ret void
 | |
| }
 | |
| 
 | |
| ; TODO: test the following:
 | |
| ;  - More argument combinations.
 | |
| ;  - Tail call.
 | |
| ;  - Interesting returns (struct, multiple).
 | |
| ;  - Vararg.
 |