; RUN: llc < %s | FileCheck %s target triple = "nvptx64-nvidia-cuda" declare void @llvm.nvvm.barrier0() ; Load a value, then syncthreads. Branch, and use the loaded value only on one ; side of the branch. The load shouldn't be sunk beneath the call, because ; syncthreads is modeled as maystore. define i32 @f(i32 %x, i32* %ptr, i1 %cond) { Start: ; CHECK: ld.u32 %ptr_val = load i32, i32* %ptr ; CHECK: bar.sync call void @llvm.nvvm.barrier0() br i1 %cond, label %L1, label %L2 L1: %ptr_val2 = add i32 %ptr_val, 100 br label %L2 L2: %v4 = phi i32 [ %x, %Start ], [ %ptr_val2, %L1 ] %v5 = add i32 %v4, 1000 ret i32 %v5 }