118 lines
3.6 KiB
LLVM
118 lines
3.6 KiB
LLVM
; RUN: not --crash llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory 2>&1 | FileCheck %s --check-prefix=ERROR
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; RUN: not --crash llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory -fast-isel 2>&1 | FileCheck %s --check-prefix=ERROR
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory --mtriple wasm32-unknown-emscripten | FileCheck %s --check-prefixes=CHECK,TLS
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory --mtriple wasm32-unknown-emscripten -fast-isel | FileCheck %s --check-prefixes=CHECK,TLS
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; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=-bulk-memory | FileCheck %s --check-prefixes=CHECK,NO-TLS
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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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; ERROR: LLVM ERROR: only -ftls-model=local-exec is supported for now on non-Emscripten OSes: variable tls
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; CHECK-LABEL: address_of_tls:
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; CHECK-NEXT: .functype address_of_tls () -> (i32)
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define i32 @address_of_tls() {
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; TLS-DAG: global.get __tls_base
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; TLS-DAG: i32.const tls
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; TLS-NEXT: i32.add
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; TLS-NEXT: return
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; NO-TLS-NEXT: i32.const tls
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; NO-TLS-NEXT: return
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ret i32 ptrtoint(i32* @tls to i32)
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}
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; CHECK-LABEL: ptr_to_tls:
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; CHECK-NEXT: .functype ptr_to_tls () -> (i32)
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define i32* @ptr_to_tls() {
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; TLS-DAG: global.get __tls_base
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; TLS-DAG: i32.const tls
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; TLS-NEXT: i32.add
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; TLS-NEXT: return
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; NO-TLS-NEXT: i32.const tls
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; NO-TLS-NEXT: return
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ret i32* @tls
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}
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; CHECK-LABEL: tls_load:
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; CHECK-NEXT: .functype tls_load () -> (i32)
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define i32 @tls_load() {
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; TLS-DAG: global.get __tls_base
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; TLS-DAG: i32.const tls
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; TLS-NEXT: i32.add
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; TLS-NEXT: i32.load 0
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; TLS-NEXT: return
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; NO-TLS-NEXT: i32.const 0
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; NO-TLS-NEXT: i32.load tls
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; NO-TLS-NEXT: return
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%tmp = load i32, i32* @tls, align 4
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ret i32 %tmp
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}
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; CHECK-LABEL: tls_store:
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; CHECK-NEXT: .functype tls_store (i32) -> ()
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define void @tls_store(i32 %x) {
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; TLS-DAG: global.get __tls_base
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; TLS-DAG: i32.const tls
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; TLS-NEXT: i32.add
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; TLS-NEXT: i32.store 0
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; TLS-NEXT: return
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; NO-TLS-NEXT: i32.const 0
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; NO-TLS-NEXT: i32.store tls
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; NO-TLS-NEXT: return
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store i32 %x, i32* @tls, align 4
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ret void
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}
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; CHECK-LABEL: tls_size:
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; CHECK-NEXT: .functype tls_size () -> (i32)
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define i32 @tls_size() {
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; CHECK-NEXT: global.get __tls_size
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; CHECK-NEXT: return
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%1 = call i32 @llvm.wasm.tls.size.i32()
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ret i32 %1
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}
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; CHECK-LABEL: tls_align:
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; CHECK-NEXT: .functype tls_align () -> (i32)
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define i32 @tls_align() {
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; CHECK-NEXT: global.get __tls_align
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; CHECK-NEXT: return
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%1 = call i32 @llvm.wasm.tls.align.i32()
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ret i32 %1
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}
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; CHECK-LABEL: tls_base:
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; CHECK-NEXT: .functype tls_base () -> (i32)
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define i8* @tls_base() {
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; CHECK-NEXT: global.get __tls_base
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; CHECK-NEXT: return
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%1 = call i8* @llvm.wasm.tls.base()
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ret i8* %1
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}
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; CHECK-LABEL: tls_base_write:
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; CHECK-NEXT: .functype tls_base_write (i32) -> ()
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define void @tls_base_write(i8** %output) {
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; CHECK-NEXT: global.get __tls_base
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; CHECK-NEXT: i32.store 0
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; CHECK-NEXT: return
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%1 = call i8* @llvm.wasm.tls.base()
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store i8* %1, i8** %output
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ret void
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}
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; CHECK: .type tls,@object
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; TLS-NEXT: .section .tbss.tls,"",@
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; NO-TLS-NEXT: .section .bss.tls,"",@
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; CHECK-NEXT: .p2align 2
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; CHECK-NEXT: tls:
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; CHECK-NEXT: .int32 0
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@tls = internal thread_local global i32 0
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declare i32 @llvm.wasm.tls.size.i32()
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declare i32 @llvm.wasm.tls.align.i32()
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declare i8* @llvm.wasm.tls.base()
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