41d7047de5
Rather than allowing invalid bitcasts to be lowered to wasm call instructions that won't validate, generate wrappers that contain unreachable thereby delaying the error until runtime. Differential Revision: https://reviews.llvm.org/D49517 llvm-svn: 338744
179 lines
5.6 KiB
LLVM
179 lines
5.6 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-temporary-workarounds=false | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -fast-isel -fast-isel-abort=1 -wasm-temporary-workarounds=false | FileCheck %s
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; Test that basic call operations assemble as expected.
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target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
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target triple = "wasm32-unknown-unknown"
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declare i32 @i32_nullary()
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declare i32 @i32_unary(i32)
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declare i32 @i32_binary(i32, i32)
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declare i64 @i64_nullary()
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declare float @float_nullary()
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declare double @double_nullary()
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declare void @void_nullary()
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; CHECK-LABEL: call_i32_nullary:
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_nullary() {
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%r = call i32 @i32_nullary()
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ret i32 %r
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}
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; CHECK-LABEL: call_i64_nullary:
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; CHECK-NEXT: .result i64{{$}}
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; CHECK-NEXT: {{^}} i64.call $push[[NUM:[0-9]+]]=, i64_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i64 @call_i64_nullary() {
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%r = call i64 @i64_nullary()
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ret i64 %r
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}
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; CHECK-LABEL: call_float_nullary:
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; CHECK-NEXT: .result f32{{$}}
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; CHECK-NEXT: {{^}} f32.call $push[[NUM:[0-9]+]]=, float_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define float @call_float_nullary() {
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%r = call float @float_nullary()
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ret float %r
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}
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; CHECK-LABEL: call_double_nullary:
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; CHECK-NEXT: .result f64{{$}}
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; CHECK-NEXT: {{^}} f64.call $push[[NUM:[0-9]+]]=, double_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define double @call_double_nullary() {
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%r = call double @double_nullary()
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ret double %r
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}
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; CHECK-LABEL: call_void_nullary:
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; CHECK-NEXT: {{^}} call void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_void_nullary() {
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call void @void_nullary()
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ret void
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}
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; CHECK-LABEL: call_i32_unary:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_unary@FUNCTION, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_unary(i32 %a) {
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%r = call i32 @i32_unary(i32 %a)
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ret i32 %r
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}
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; CHECK-LABEL: call_i32_binary:
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; CHECK-NEXT: .param i32, i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: {{^}} i32.call $push[[NUM:[0-9]+]]=, i32_binary@FUNCTION, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_i32_binary(i32 %a, i32 %b) {
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%r = call i32 @i32_binary(i32 %a, i32 %b)
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ret i32 %r
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}
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; CHECK-LABEL: call_indirect_void:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $pop[[L0]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_void(void ()* %callee) {
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call void %callee()
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ret void
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}
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; CHECK-LABEL: call_indirect_i32:
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; CHECK-NEXT: .param i32{{$}}
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; CHECK-NEXT: .result i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} i32.call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]]{{$}}
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; CHECK-NEXT: return $pop[[NUM]]{{$}}
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define i32 @call_indirect_i32(i32 ()* %callee) {
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%t = call i32 %callee()
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ret i32 %t
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}
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; CHECK-LABEL: call_indirect_arg:
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; CHECK-NEXT: .param i32, i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} call_indirect $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_arg(void (i32)* %callee, i32 %arg) {
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call void %callee(i32 %arg)
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ret void
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}
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; CHECK-LABEL: call_indirect_arg_2:
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; CHECK-NEXT: .param i32, i32, i32{{$}}
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; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 1{{$}}
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; CHECK-NEXT: get_local $push[[L1:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: get_local $push[[L2:[0-9]+]]=, 0{{$}}
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; CHECK-NEXT: {{^}} i32.call_indirect $push[[NUM:[0-9]+]]=, $pop[[L0]], $pop[[L1]], $pop[[L2]]{{$}}
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; CHECK-NEXT: drop $pop[[NUM]]{{$}}
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; CHECK-NEXT: return{{$}}
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define void @call_indirect_arg_2(i32 (i32, i32)* %callee, i32 %arg, i32 %arg2) {
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call i32 %callee(i32 %arg, i32 %arg2)
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ret void
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}
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; CHECK-LABEL: tail_call_void_nullary:
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; CHECK-NEXT: {{^}} call void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return{{$}}
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define void @tail_call_void_nullary() {
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tail call void @void_nullary()
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ret void
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}
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; CHECK-LABEL: fastcc_tail_call_void_nullary:
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; CHECK-NEXT: {{^}} call void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return{{$}}
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define void @fastcc_tail_call_void_nullary() {
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tail call fastcc void @void_nullary()
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ret void
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}
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; CHECK-LABEL: coldcc_tail_call_void_nullary:
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; CHECK-NEXT: {{^}} call void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return{{$}}
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define void @coldcc_tail_call_void_nullary() {
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tail call coldcc void @void_nullary()
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ret void
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}
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; CHECK-LABEL: call_constexpr:
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; CHECK-NEXT: i32.const $push[[L0:[0-9]+]]=, 2{{$}}
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; CHECK-NEXT: i32.const $push[[L1:[0-9]+]]=, 3{{$}}
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; CHECK-NEXT: call .Lvararg_func_bitcast@FUNCTION, $pop[[L0]], $pop[[L1]]{{$}}
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; CHECK-NEXT: call other_void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: call void_nullary@FUNCTION{{$}}
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; CHECK-NEXT: return{{$}}
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declare void @vararg_func(...)
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declare void @other_void_nullary()
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define void @call_constexpr() {
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bb0:
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call void bitcast (void (...)* @vararg_func to void (i32, i32)*)(i32 2, i32 3)
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br label %bb1
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bb1:
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call void select (i1 0, void ()* @void_nullary, void ()* @other_void_nullary)()
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br label %bb2
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bb2:
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call void inttoptr (i32 ptrtoint (void ()* @void_nullary to i32) to void ()*)()
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ret void
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}
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; TODO: test the following:
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; - More argument combinations.
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; - Tail call.
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; - Interesting returns (struct, multiple).
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; - Vararg.
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