1; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory | FileCheck %s --check-prefixes=CHECK,TLS 2; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -wasm-disable-explicit-locals -mattr=+bulk-memory -fast-isel | FileCheck %s --check-prefixes=CHECK,TLS 3; 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 4target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" 5target triple = "wasm32-unknown-unknown" 6 7; CHECK-LABEL: address_of_tls: 8; CHECK-NEXT: .functype address_of_tls () -> (i32) 9define i32 @address_of_tls() { 10 ; TLS-DAG: global.get __tls_base 11 ; TLS-DAG: i32.const tls@TLSREL 12 ; TLS-NEXT: i32.add 13 ; TLS-NEXT: return 14 15 ; NO-TLS-NEXT: i32.const tls 16 ; NO-TLS-NEXT: return 17 ret i32 ptrtoint(i32* @tls to i32) 18} 19 20; CHECK-LABEL: ptr_to_tls: 21; CHECK-NEXT: .functype ptr_to_tls () -> (i32) 22define i32* @ptr_to_tls() { 23 ; TLS-DAG: global.get __tls_base 24 ; TLS-DAG: i32.const tls@TLSREL 25 ; TLS-NEXT: i32.add 26 ; TLS-NEXT: return 27 28 ; NO-TLS-NEXT: i32.const tls 29 ; NO-TLS-NEXT: return 30 ret i32* @tls 31} 32 33; CHECK-LABEL: tls_load: 34; CHECK-NEXT: .functype tls_load () -> (i32) 35define i32 @tls_load() { 36 ; TLS-DAG: global.get __tls_base 37 ; TLS-DAG: i32.const tls@TLSREL 38 ; TLS-NEXT: i32.add 39 ; TLS-NEXT: i32.load 0 40 ; TLS-NEXT: return 41 42 ; NO-TLS-NEXT: i32.const 0 43 ; NO-TLS-NEXT: i32.load tls 44 ; NO-TLS-NEXT: return 45 %tmp = load i32, i32* @tls, align 4 46 ret i32 %tmp 47} 48 49; CHECK-LABEL: tls_store: 50; CHECK-NEXT: .functype tls_store (i32) -> () 51define void @tls_store(i32 %x) { 52 ; TLS-DAG: global.get __tls_base 53 ; TLS-DAG: i32.const tls@TLSREL 54 ; TLS-NEXT: i32.add 55 ; TLS-NEXT: i32.store 0 56 ; TLS-NEXT: return 57 58 ; NO-TLS-NEXT: i32.const 0 59 ; NO-TLS-NEXT: i32.store tls 60 ; NO-TLS-NEXT: return 61 store i32 %x, i32* @tls, align 4 62 ret void 63} 64 65; CHECK-LABEL: tls_size: 66; CHECK-NEXT: .functype tls_size () -> (i32) 67define i32 @tls_size() { 68; CHECK-NEXT: global.get __tls_size 69; CHECK-NEXT: return 70 %1 = call i32 @llvm.wasm.tls.size.i32() 71 ret i32 %1 72} 73 74; CHECK: .type tls,@object 75; TLS-NEXT: .section .tbss.tls,"",@ 76; NO-TLS-NEXT: .section .bss.tls,"",@ 77; CHECK-NEXT: .p2align 2 78; CHECK-NEXT: tls: 79; CHECK-NEXT: .int32 0 80@tls = internal thread_local(localexec) global i32 0 81 82declare i32 @llvm.wasm.tls.size.i32() 83