6e6bf9f817
We plan to enable multivalue in the features section soon (#80923) for other reasons, such as the feature having been standardized for many years and other features being developed (e.g. EH) depending on it. This is separate from enabling Clang experimental multivalue ABI (`-Xclang -target-abi -Xclang experimental-mv`), but it turned out we generate some multivalue code in the backend as well if it is enabled in the features section. Given that our backend multivalue generation still has not been much used nor tested, and enabling the feature in the features section can be a separate decision from how much multialue (including none) we decide to generate for now, I'd like to temporarily disable the actual generation of multivalue in our backend. To do that, this adds an internal flag `-wasm-emit-multivalue` that defaults to false. All our existing multivalue tests can use this to test multivalue code. This flag can be removed later when we are confident the multivalue generation is well tested.
314 lines
10 KiB
LLVM
314 lines
10 KiB
LLVM
; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -mcpu=mvp -mattr=+multivalue,+tail-call -wasm-emit-multivalue | FileCheck %s
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; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -mcpu=mvp -mattr=+reference-types,+multivalue,+tail-call -wasm-emit-multivalue | FileCheck --check-prefix REF %s
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; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -mcpu=mvp -mattr=+multivalue,+tail-call -wasm-emit-multivalue | FileCheck %s --check-prefix REGS
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; RUN: llc < %s --filetype=obj -mcpu=mvp -mattr=+multivalue,+tail-call -wasm-emit-multivalue | obj2yaml | FileCheck %s --check-prefix OBJ
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; RUN: llc < %s -asm-verbose=false -verify-machineinstrs -mcpu=mvp -mattr=+multivalue,+tail-call | FileCheck %s --check-prefix NO-MULTIVALUE
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; Test that the multivalue calls, returns, function types, and block
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; types work as expected.
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target triple = "wasm32-unknown-unknown"
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%pair = type { i32, i64 }
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%rpair = type { i64, i32 }
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declare void @use_i32(i32)
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declare void @use_i64(i64)
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; CHECK-LABEL: pair_const:
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; CHECK-NEXT: .functype pair_const () -> (i32, i64)
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; CHECK-NEXT: i32.const 42{{$}}
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; CHECK-NEXT: i64.const 42{{$}}
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; CHECK-NEXT: end_function{{$}}
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; NO-MULTIVALUE-NOT: .functype pair_const () -> (i32, i64)
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define %pair @pair_const() {
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ret %pair { i32 42, i64 42 }
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}
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; CHECK-LABEL: pair_ident:
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; CHECK-NEXT: .functype pair_ident (i32, i64) -> (i32, i64)
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: end_function{{$}}
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define %pair @pair_ident(%pair %p) {
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ret %pair %p
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}
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; CHECK-LABEL: pair_call:
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; CHECK-NEXT: .functype pair_call () -> ()
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $drop=, $drop=, pair_const{{$}}
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define void @pair_call() {
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%p = call %pair @pair_const()
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ret void
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}
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; CHECK-LABEL: pair_call_return:
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; CHECK-NEXT: .functype pair_call_return () -> (i32, i64)
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $push{{[0-9]+}}=, $push{{[0-9]+}}=, pair_const{{$}}
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define %pair @pair_call_return() {
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%p = call %pair @pair_const()
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ret %pair %p
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}
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; CHECK-LABEL: pair_call_indirect:
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; CHECK-NEXT: .functype pair_call_indirect (i32) -> (i32, i64)
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: call_indirect () -> (i32, i64){{$}}
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; REF: call_indirect __indirect_function_table, () -> (i32, i64){{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call_indirect $push{{[0-9]+}}=, $push{{[0-9]+}}=, $0{{$}}
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define %pair @pair_call_indirect(ptr %f) {
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%p = call %pair %f()
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ret %pair %p
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}
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; CHECK-LABEL: pair_tail_call:
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; CHECK-NEXT: .functype pair_tail_call () -> (i32, i64)
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; CHECK-NEXT: return_call pair_const{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: return_call pair_const{{$}}
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define %pair @pair_tail_call() {
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%p = musttail call %pair @pair_const()
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ret %pair %p
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}
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; CHECK-LABEL: pair_call_return_first:
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; CHECK-NEXT: .functype pair_call_return_first () -> (i32)
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $push{{[0-9]+}}=, $drop=, pair_const{{$}}
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define i32 @pair_call_return_first() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 0
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ret i32 %v
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}
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; CHECK-LABEL: pair_call_return_second:
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; CHECK-NEXT: .functype pair_call_return_second () -> (i64)
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; CHECK-NEXT: .local i64{{$}}
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $drop=, $0=, pair_const{{$}}
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define i64 @pair_call_return_second() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 1
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ret i64 %v
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}
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; CHECK-LABEL: pair_call_use_first:
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; CHECK-NEXT: .functype pair_call_use_first () -> ()
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: call use_i32{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $push{{[0-9]+}}=, $drop=, pair_const{{$}}
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define void @pair_call_use_first() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 0
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call void @use_i32(i32 %v)
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ret void
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}
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; CHECK-LABEL: pair_call_use_second:
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; CHECK-NEXT: .functype pair_call_use_second () -> ()
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; CHECK-NEXT: .local i64
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: drop{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: call use_i64{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $drop=, $0=, pair_const{{$}}
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define void @pair_call_use_second() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 1
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call void @use_i64(i64 %v)
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ret void
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}
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; CHECK-LABEL: pair_call_use_first_return_second:
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; CHECK-NEXT: .functype pair_call_use_first_return_second () -> (i64)
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; CHECK-NEXT: .local i64{{$}}
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: call use_i32{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $push{{[0-9]+}}=, $0=, pair_const{{$}}
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define i64 @pair_call_use_first_return_second() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 0
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call void @use_i32(i32 %v)
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%r = extractvalue %pair %p, 1
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ret i64 %r
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}
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; CHECK-LABEL: pair_call_use_second_return_first:
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; CHECK-NEXT: .functype pair_call_use_second_return_first () -> (i32)
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; CHECK-NEXT: .local i32, i64{{$}}
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: local.set 1{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: call use_i64{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $0=, $1=, pair_const{{$}}
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define i32 @pair_call_use_second_return_first() {
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%p = call %pair @pair_const()
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%v = extractvalue %pair %p, 1
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call void @use_i64(i64 %v)
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%r = extractvalue %pair %p, 0
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ret i32 %r
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}
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; CHECK-LABEL: pair_pass_through:
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; CHECK-NEXT: .functype pair_pass_through (i32, i64) -> (i32, i64)
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; CHECK-NEXT: local.get 0
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; CHECK-NEXT: local.get 1
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; CHECK-NEXT: call pair_ident{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $push{{[0-9]+}}=, $push{{[0-9]+}}=, pair_ident, $0, $1{{$}}
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define %pair @pair_pass_through(%pair %p) {
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%r = call %pair @pair_ident(%pair %p)
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ret %pair %r
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}
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; CHECK-LABEL: pair_swap:
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; CHECK-NEXT: .functype pair_swap (i32, i64) -> (i64, i32)
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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define %rpair @pair_swap(%pair %p) {
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%first = extractvalue %pair %p, 0
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%second = extractvalue %pair %p, 1
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%r1 = insertvalue %rpair undef, i32 %first, 1
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%r2 = insertvalue %rpair %r1, i64 %second, 0
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ret %rpair %r2
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}
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; CHECK-LABEL: pair_call_swap:
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; CHECK-NEXT: .functype pair_call_swap () -> (i64, i32)
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; CHECK-NEXT: .local i32, i64{{$}}
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; CHECK-NEXT: call pair_const{{$}}
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; CHECK-NEXT: local.set 1{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $0=, $1=, pair_const{{$}}
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define %rpair @pair_call_swap() {
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%p = call %pair @pair_const()
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%first = extractvalue %pair %p, 0
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%second = extractvalue %pair %p, 1
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%r1 = insertvalue %rpair undef, i32 %first, 1
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%r2 = insertvalue %rpair %r1, i64 %second, 0
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ret %rpair %r2
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}
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; CHECK-LABEL: pair_pass_through_swap:
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; CHECK-NEXT: .functype pair_pass_through_swap (i32, i64) -> (i64, i32)
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: call pair_ident{{$}}
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; CHECK-NEXT: local.set 1{{$}}
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; CHECK-NEXT: local.set 0{{$}}
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; CHECK-NEXT: local.get 1{{$}}
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; CHECK-NEXT: local.get 0{{$}}
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; CHECK-NEXT: end_function{{$}}
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; REGS: call $0=, $1=, pair_ident, $0, $1{{$}}
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define %rpair @pair_pass_through_swap(%pair %p) {
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%p1 = call %pair @pair_ident(%pair %p)
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%first = extractvalue %pair %p1, 0
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%second = extractvalue %pair %p1, 1
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%r1 = insertvalue %rpair undef, i32 %first, 1
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%r2 = insertvalue %rpair %r1, i64 %second, 0
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ret %rpair %r2
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}
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; CHECK-LABEL: minimal_loop:
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; CHECK-NEXT: .functype minimal_loop (i32) -> (i32, i64)
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; CHECK-NEXT: .LBB{{[0-9]+}}_1:
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; CHECK-NEXT: loop () -> (i32, i64)
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; CHECK-NEXT: br 0{{$}}
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; CHECK-NEXT: .LBB{{[0-9]+}}_2:
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; CHECK-NEXT: end_loop{{$}}
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; CHECK-NEXT: end_function{{$}}
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define %pair @minimal_loop(ptr %p) {
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entry:
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br label %loop
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loop:
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br label %loop
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}
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; CHECK-LABEL: .section .custom_section.target_features
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; CHECK-NEXT: .int8 2
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; CHECK-NEXT: .int8 43
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; CHECK-NEXT: .int8 10
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; CHECK-NEXT: .ascii "multivalue"
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; CHECK-NEXT: .int8 43
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; CHECK-NEXT: .int8 9
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; CHECK-NEXT: .ascii "tail-call"
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; OBJ-LABEL: - Type: TYPE
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; OBJ-NEXT: Signatures:
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; OBJ-NEXT: - Index: 0
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; OBJ-NEXT: ParamTypes: []
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - Index: 1
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; OBJ-NEXT: ParamTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - I64
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - Index: 2
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; OBJ-NEXT: ParamTypes: []
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; OBJ-NEXT: ReturnTypes: []
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; OBJ-NEXT: - Index: 3
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; OBJ-NEXT: ParamTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - Index: 4
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; OBJ-NEXT: ParamTypes: []
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - Index: 5
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; OBJ-NEXT: ParamTypes: []
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - Index: 6
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; OBJ-NEXT: ParamTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: ReturnTypes: []
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; OBJ-NEXT: - Index: 7
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; OBJ-NEXT: ParamTypes:
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; OBJ-NEXT: - I64
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; OBJ-NEXT: ReturnTypes: []
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; OBJ-NEXT: - Index: 8
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; OBJ-NEXT: ParamTypes:
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - I64
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - I32
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; OBJ-NEXT: - Index: 9
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; OBJ-NEXT: ParamTypes: []
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; OBJ-NEXT: ReturnTypes:
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; OBJ-NEXT: - I64
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; OBJ-NEXT: - I32
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