; RUN: llc < %s -asm-verbose=false -wasm-disable-explicit-locals -wasm-keep-registers | FileCheck %s -check-prefixes=NON-PIC,CHECK target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" target triple = "wasm32-unknown-emscripten" @hidden_global = external hidden global i32 @hidden_global_array = external hidden global [10 x i32] @external_global = external dso_local global i32 @external_global_array = external dso_local global [10 x i32] declare i32 @foo(); ; For hidden symbols PIC code needs to offset all loads and stores ; by the value of the __memory_base global define i32 @load_hidden_global() { ; CHECK-LABEL: load_hidden_global: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.load $push1=, hidden_global($pop0){{$}} ; CHECK-NEXT: end_function %1 = load i32, i32* @hidden_global ret i32 %1 } define i32 @load_hidden_global_offset() { ; CHECK-LABEL: load_hidden_global_offset: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT:i32.load $push1=, hidden_global_array+20($pop0){{$}} ; CHECK-NEXT: end_function %1 = getelementptr [10 x i32], [10 x i32]* @hidden_global_array, i32 0, i32 5 %2 = load i32, i32* %1 ret i32 %2 } ; Store to a hidden global define void @store_hidden_global(i32 %n) { ; CHECK-LABEL: store_hidden_global: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.store hidden_global($pop0), $0{{$}} ; CHECK-NEXT: end_function store i32 %n, i32* @hidden_global ret void } define void @store_hidden_global_offset(i32 %n) { ; CHECK-LABEL: store_hidden_global_offset: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.store hidden_global_array+20($pop0), $0{{$}} ; CHECK-NEXT: end_function %1 = getelementptr [10 x i32], [10 x i32]* @hidden_global_array, i32 0, i32 5 store i32 %n, i32* %1 ret void } ; For non-hidden globals PIC code has to load the address from a wasm global ; using the @GOT relocation type. define i32 @load_external_global() { ; CHECK-LABEL: load_external_global: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.load $push1=, external_global($pop0){{$}} ; CHECK-NEXT: end_function %1 = load i32, i32* @external_global ret i32 %1 } define i32 @load_external_global_offset() { ; CHECK-LABEL: load_external_global_offset: ; NON-PIC: i32.const $push[[L0:[0-9]+]]=, 0{{$}} ; NON-PIC-NEXT: i32.load $push{{[0-9]+}}=, external_global_array+20($pop[[L0]]){{$}} ; CHECK-NEXT: end_function %1 = getelementptr [10 x i32], [10 x i32]* @external_global_array, i32 0, i32 5 %2 = load i32, i32* %1 ret i32 %2 } ; Store to a non-hidden global via the wasm global. define void @store_external_global(i32 %n) { ; CHECK-LABEL: store_external_global: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.store external_global($pop0), $0{{$}} ; CHECK-NEXT: end_function store i32 %n, i32* @external_global ret void } define void @store_external_global_offset(i32 %n) { ; CHECK-LABEL: store_external_global_offset: ; NON-PIC: i32.const $push0=, 0{{$}} ; NON-PIC-NEXT: i32.store external_global_array+20($pop0), $0{{$}} ; CHECK-NEXT: end_function %1 = getelementptr [10 x i32], [10 x i32]* @external_global_array, i32 0, i32 5 store i32 %n, i32* %1 ret void }