1; RUN: opt < %s -S -nvptx-atomic-lower | FileCheck %s 2 3; This test ensures that there is a legal way for ptx to lower atomics 4; on local memory. Here, we demonstrate this by lowering them to simple 5; load and stores. 6 7target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64" 8target triple = "nvptx64-unknown-unknown" 9 10define double @kernel(ptr addrspace(5) %ptr, double %val) { 11 %res = atomicrmw fadd ptr addrspace(5) %ptr, double %val monotonic, align 8 12 ret double %res 13; CHECK: %1 = load double, ptr addrspace(5) %ptr, align 8 14; CHECK-NEXT: %new = fadd double %1, %val 15; CHECK-NEXT: store double %new, ptr addrspace(5) %ptr, align 8 16; CHECK-NEXT: ret double %1 17} 18 19