[WebAssembly] Add wasm64 testing to varargs.ll [NFC] (#175102)
Looking at https://github.com/llvm/llvm-project/pull/173580 revealed that our testing of varargs is inadequate. This is a start on improving it.
This commit is contained in:
Derek Schuff
GitHub
parent
b5a5276ca7
commit
4c61843e44
1 changed files with 48 additions and 45 deletions
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@ -1,5 +1,8 @@
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s --check-prefix=CHECK --check-prefix=EMSCRIPTEN
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; RUN: llc < %s -mtriple wasm32-unknown-unknown -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s --check-prefix=CHECK --check-prefix=UNKNOWN
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; RUN: llc < %s -mtriple wasm32-unknown-emscripten -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s -DPTR=32 --check-prefix=CHECK --check-prefix=EMSCRIPTEN
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; RUN: llc < %s -mtriple wasm32-unknown-unknown -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s -DPTR=32 --check-prefix=CHECK --check-prefix=UNKNOWN
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; RUN: llc < %s -mtriple wasm64-unknown-emscripten -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s -DPTR=64 --check-prefix=CHECK --check-prefix=EMSCRIPTEN
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; RUN: llc < %s -mtriple wasm64-unknown-unknown -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -wasm-keep-registers -verify-machineinstrs | FileCheck %s -DPTR=64 --check-prefix=CHECK --check-prefix=UNKNOWN
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; Test varargs constructs.
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@ -9,12 +12,12 @@ target triple = "wasm32-unknown-emscripten"
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; TODO: Test va_start.
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; CHECK-LABEL: start:
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; CHECK-NEXT: .functype start (i32, i32) -> ()
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; CHECK-NEXT: .functype start (i[[PTR]], i[[PTR]]) -> ()
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; CHECK-NOT: __stack_pointer
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define void @start(ptr %ap, ...) {
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entry:
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; Store the second argument (the hidden vararg buffer pointer) into ap
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; CHECK: i32.store 0($0), $1
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; CHECK: i[[PTR]].store 0($0), $1
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call void @llvm.va_start(ptr %ap)
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ret void
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}
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@ -22,7 +25,7 @@ entry:
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; Test va_end.
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; CHECK-LABEL: end:
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; CHECK-NEXT: .functype end (i32) -> (){{$}}
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; CHECK-NEXT: .functype end (i[[PTR]]) -> (){{$}}
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; CHECK-NEXT: return{{$}}
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define void @end(ptr %ap) {
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entry:
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@ -33,9 +36,9 @@ entry:
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; Test va_copy.
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; CHECK-LABEL: copy:
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; CHECK-NEXT: .functype copy (i32, i32) -> (){{$}}
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; CHECK-NEXT: i32.load $push0=, 0($1){{$}}
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; CHECK-NEXT: i32.store 0($0), $pop0{{$}}
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; CHECK-NEXT: .functype copy (i[[PTR]], i[[PTR]]) -> (){{$}}
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; CHECK-NEXT: i[[PTR]].load $push0=, 0($1){{$}}
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; CHECK-NEXT: i[[PTR]].store 0($0), $pop0{{$}}
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; CHECK-NEXT: return{{$}}
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define void @copy(ptr %ap, ptr %bp) {
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entry:
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@ -46,14 +49,14 @@ entry:
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; Test va_arg with an i8 argument.
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; CHECK-LABEL: arg_i8:
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; CHECK-NEXT: .functype arg_i8 (i32) -> (i32){{$}}
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; CHECK-NEXT: i32.load $push[[NUM0:[0-9]+]]=, 0($0){{$}}
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; CHECK-NEXT: local.tee $push[[NUM1:[0-9]+]]=, $1=, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM2:[0-9]+]]=, 4{{$}}
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; CHECK-NEXT: i32.add $push[[NUM3:[0-9]+]]=, $pop[[NUM1]], $pop[[NUM2]]{{$}}
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; CHECK-NEXT: i32.store 0($0), $pop[[NUM3]]{{$}}
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; CHECK-NEXT: i32.load $push[[NUM4:[0-9]+]]=, 0($1){{$}}
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; CHECK-NEXT: return $pop[[NUM4]]{{$}}
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; CHECK-NEXT: .functype arg_i8 (i[[PTR]]) -> (i32){{$}}
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; CHECK-NEXT: i[[PTR]].load $push[[NUM0:[0-9]+]]=, 0($0){{$}}
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; CHECK-NEXT: local.tee $push[[NUM1:[0-9]+]]=, $1=, $pop[[NUM0]]{{$}}
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; CHECK-NEXT: i[[PTR]].const $push[[NUM2:[0-9]+]]=, 4{{$}}
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; CHECK-NEXT: i[[PTR]].add $push[[NUM3:[0-9]+]]=, $pop[[NUM1]], $pop[[NUM2]]{{$}}
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; CHECK-NEXT: i[[PTR]].store 0($0), $pop[[NUM3]]{{$}}
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; CHECK-NEXT: i32.load $push[[NUM4:[0-9]+]]=, 0($1){{$}}
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; CHECK-NEXT: return $pop[[NUM4]]{{$}}
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define i8 @arg_i8(ptr %ap) {
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entry:
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%t = va_arg ptr %ap, i8
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@ -63,18 +66,18 @@ entry:
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; Test va_arg with an i32 argument.
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; CHECK-LABEL: arg_i32:
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; CHECK-NEXT: .functype arg_i32 (i32) -> (i32){{$}}
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; CHECK-NEXT: i32.load $push[[NUM0:[0-9]+]]=, 0($0){{$}}
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; CHECK-NEXT: i32.const $push[[NUM1:[0-9]+]]=, 3{{$}}
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; CHECK-NEXT: i32.add $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $pop[[NUM1]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM3:[0-9]+]]=, -4{{$}}
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; CHECK-NEXT: i32.and $push[[NUM4:[0-9]+]]=, $pop[[NUM2]], $pop[[NUM3]]{{$}}
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; CHECK-NEXT: local.tee $push[[NUM5:[0-9]+]]=, $1=, $pop[[NUM4]]{{$}}
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; CHECK-NEXT: i32.const $push[[NUM6:[0-9]+]]=, 4{{$}}
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; CHECK-NEXT: i32.add $push[[NUM7:[0-9]+]]=, $pop[[NUM5]], $pop[[NUM6]]{{$}}
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; CHECK-NEXT: i32.store 0($0), $pop[[NUM7]]{{$}}
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; CHECK-NEXT: i32.load $push[[NUM8:[0-9]+]]=, 0($1){{$}}
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; CHECK-NEXT: return $pop[[NUM8]]{{$}}
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; CHECK-NEXT: .functype arg_i32 (i[[PTR]]) -> (i32){{$}}
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; CHECK-NEXT: i[[PTR]].load $push[[NUM0:[0-9]+]]=, 0($0){{$}}
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; CHECK-NEXT: i[[PTR]].const $push[[NUM1:[0-9]+]]=, 3{{$}}
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; CHECK-NEXT: i[[PTR]].add $push[[NUM2:[0-9]+]]=, $pop[[NUM0]], $pop[[NUM1]]{{$}}
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; CHECK-NEXT: i[[PTR]].const $push[[NUM3:[0-9]+]]=, -4{{$}}
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; CHECK-NEXT: i[[PTR]].and $push[[NUM4:[0-9]+]]=, $pop[[NUM2]], $pop[[NUM3]]{{$}}
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; CHECK-NEXT: local.tee $push[[NUM5:[0-9]+]]=, $1=, $pop[[NUM4]]{{$}}
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; CHECK-NEXT: i[[PTR]].const $push[[NUM6:[0-9]+]]=, 4{{$}}
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; CHECK-NEXT: i[[PTR]].add $push[[NUM7:[0-9]+]]=, $pop[[NUM5]], $pop[[NUM6]]{{$}}
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; CHECK-NEXT: i[[PTR]].store 0($0), $pop[[NUM7]]{{$}}
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; CHECK-NEXT: i32.load $push[[NUM8:[0-9]+]]=, 0($1){{$}}
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; CHECK-NEXT: return $pop[[NUM8]]{{$}}
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define i32 @arg_i32(ptr %ap) {
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entry:
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%t = va_arg ptr %ap, i32
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@ -84,8 +87,8 @@ entry:
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; Test va_arg with an i128 argument.
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; CHECK-LABEL: arg_i128:
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; CHECK-NEXT: .functype arg_i128 (i32, i32) -> (){{$}}
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; CHECK: i32.and
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; CHECK-NEXT: .functype arg_i128 (i[[PTR]], i[[PTR]]) -> (){{$}}
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; CHECK: i[[PTR]].and
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; CHECK: i64.load
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; CHECK: i64.load
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; CHECK: return{{$}}
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@ -100,7 +103,7 @@ entry:
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declare void @callee(...)
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; CHECK-LABEL: caller_none:
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; CHECK: i32.const $push0=, 0
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; CHECK: i[[PTR]].const $push0=, 0
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; CHECK-NEXT: call callee, $pop0
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; CHECK-NEXT: return{{$}}
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define void @caller_none() {
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@ -123,7 +126,7 @@ define void @caller_some() {
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; Test a va_start call in a non-entry block
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; CHECK-LABEL: startbb:
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; CHECK: .functype startbb (i32, i32, i32) -> ()
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; CHECK: .functype startbb (i32, i[[PTR]], i[[PTR]]) -> ()
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define void @startbb(i1 %cond, ptr %ap, ...) {
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entry:
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br i1 %cond, label %bb0, label %bb1
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@ -131,7 +134,7 @@ bb0:
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ret void
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bb1:
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; Store the second argument (the hidden vararg buffer pointer) into ap
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; CHECK: i32.store 0($1), $2
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; CHECK: i[[PTR]].store 0($1), $2
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call void @llvm.va_start(ptr %ap)
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ret void
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}
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@ -143,7 +146,7 @@ declare void @callee_with_nonlegal_fixed(fp128, ...) nounwind
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; CHECK-LABEL: call_nonlegal_fixed:
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; CHECK: i64.const $push[[L0:[0-9]+]]=, 0
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; CHECK: i64.const $push[[L1:[0-9]+]]=, 0
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; CHECK: i32.const $push[[L2:[0-9]+]]=, 0
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; CHECK: i[[PTR]].const $push[[L2:[0-9]+]]=, 0
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; CHECK: call callee_with_nonlegal_fixed, $pop[[L0]], $pop[[L1]], $pop[[L2]]{{$}}
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define void @call_nonlegal_fixed() nounwind {
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call void (fp128, ...) @callee_with_nonlegal_fixed(fp128 0xL00000000000000000000000000000000)
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@ -153,7 +156,7 @@ define void @call_nonlegal_fixed() nounwind {
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; Test a definition a varargs function with a non-legal fixed argument.
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; CHECK-LABEL: nonlegal_fixed:
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; CHECK-NEXT: .functype nonlegal_fixed (i64, i64, i32) -> (){{$}}
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; CHECK-NEXT: .functype nonlegal_fixed (i64, i64, i[[PTR]]) -> (){{$}}
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define void @nonlegal_fixed(fp128 %x, ...) nounwind {
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ret void
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}
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@ -163,12 +166,12 @@ define void @nonlegal_fixed(fp128 %x, ...) nounwind {
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; EMSCRIPTEN-LABEL: call_fp128_alignment:
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; EMSCRIPTEN: global.get $push5=, __stack_pointer
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; EMSCRIPTEN-NEXT: i32.const $push6=, 32
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; EMSCRIPTEN-NEXT: i32.sub $push10=, $pop5, $pop6
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; EMSCRIPTEN-NEXT: i[[PTR]].const $push6=, 32
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; EMSCRIPTEN-NEXT: i[[PTR]].sub $push10=, $pop5, $pop6
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; EMSCRIPTEN-NEXT: local.tee $push9=, $1=, $pop10
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; EMSCRIPTEN-NEXT: global.set __stack_pointer, $pop9
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; EMSCRIPTEN-NEXT: i32.const $push0=, 16
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; EMSCRIPTEN-NEXT: i32.add $push1=, $1, $pop0
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; EMSCRIPTEN-NEXT: i[[PTR]].const $push0=, 16
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; EMSCRIPTEN-NEXT: i[[PTR]].add $push1=, $1, $pop0
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; EMSCRIPTEN-NEXT: i64.const $push2=, -9223372036854775808
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; EMSCRIPTEN-NEXT: i64.store 0($pop1), $pop2
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; EMSCRIPTEN-NEXT: i64.const $push3=, 1
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@ -180,16 +183,16 @@ define void @nonlegal_fixed(fp128 %x, ...) nounwind {
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; Alignment of fp128 is a current disagreement between emscripten and others.
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; UNKNOWN-LABEL: call_fp128_alignment:
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; UNKNOWN: global.get $push7=, __stack_pointer
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; UNKNOWN-NEXT: i32.const $push8=, 32
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; UNKNOWN-NEXT: i32.sub $push12=, $pop7, $pop8
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; UNKNOWN-NEXT: i[[PTR]].const $push8=, 32
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; UNKNOWN-NEXT: i[[PTR]].sub $push12=, $pop7, $pop8
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; UNKNOWN-NEXT: local.tee $push11=, $1=, $pop12
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; UNKNOWN-NEXT: global.set __stack_pointer, $pop11
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; UNKNOWN-NEXT: i32.const $push0=, 24
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; UNKNOWN-NEXT: i32.add $push1=, $1, $pop0
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; UNKNOWN-NEXT: i[[PTR]].const $push0=, 24
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; UNKNOWN-NEXT: i[[PTR]].add $push1=, $1, $pop0
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; UNKNOWN-NEXT: i64.const $push2=, -9223372036854775808
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; UNKNOWN-NEXT: i64.store 0($pop1), $pop2
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; UNKNOWN-NEXT: i32.const $push3=, 16
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; UNKNOWN-NEXT: i32.add $push4=, $1, $pop3
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; UNKNOWN-NEXT: i[[PTR]].const $push3=, 16
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; UNKNOWN-NEXT: i[[PTR]].add $push4=, $1, $pop3
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; UNKNOWN-NEXT: i64.const $push5=, 1
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; UNKNOWN-NEXT: i64.store 0($pop4), $pop5
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; UNKNOWN-NEXT: i32.const $push6=, 7
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