--- /dev/null
+; RUN: llc < %s | FileCheck %s
+target triple = "nvptx64-nvidia-cuda"
+
+declare void @llvm.cuda.syncthreads()
+
+; 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.cuda.syncthreads()
+ 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
+}