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Diffstat (limited to 'llvm/test/CodeGen/WebAssembly/atomics.ll')
| -rw-r--r-- | llvm/test/CodeGen/WebAssembly/atomics.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WebAssembly/atomics.ll b/llvm/test/CodeGen/WebAssembly/atomics.ll new file mode 100644 index 00000000000..1845187f505 --- /dev/null +++ b/llvm/test/CodeGen/WebAssembly/atomics.ll @@ -0,0 +1,19 @@ +; RUN: not llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt +; RUN: llc < %s -asm-verbose=false -disable-wasm-fallthrough-return-opt -mattr=+atomics | FileCheck %s + +; Test that atomic loads are assembled properly. + +target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128" +target triple = "wasm32-unknown-unknown-wasm" + +; CHECK-LABEL: load_i32_atomic: +; CHECK-NEXT: .param i32{{$}} +; CHECK-NEXT: .result i32{{$}} +; CHECK-NEXT: get_local $push[[L0:[0-9]+]]=, 0{{$}} +; CHECK-NEXT: i32.atomic.load $push[[NUM:[0-9]+]]=, 0($pop[[L0]]){{$}} +; CHECK-NEXT: return $pop[[NUM]]{{$}} + +define i32 @load_i32_atomic(i32 *%p) { + %v = load atomic i32, i32* %p seq_cst, align 4 + ret i32 %v +} |
