1; RUN: opt -passes="ipsccp<func-spec>" -force-specialization -funcspec-max-iters=2 -S < %s | FileCheck %s 2 3; Volatile store preventing recursive specialisation: 4; 5; CHECK: @recursiveFunc.specialized.1 6; CHECK-NOT: @recursiveFunc.specialized.2 7 8@Global = internal constant i32 1, align 4 9 10define internal void @recursiveFunc(ptr nocapture readonly %arg) { 11 %temp = alloca i32, align 4 12 %arg.load = load i32, ptr %arg, align 4 13 %arg.cmp = icmp slt i32 %arg.load, 4 14 br i1 %arg.cmp, label %block6, label %ret.block 15 16block6: 17 call void @print_val(i32 %arg.load) 18 %arg.add = add nsw i32 %arg.load, 1 19 store volatile i32 %arg.add, ptr %temp, align 4 20 call void @recursiveFunc(ptr nonnull %temp) 21 br label %ret.block 22 23ret.block: 24 ret void 25} 26 27define i32 @main() { 28 call void @recursiveFunc(ptr nonnull @Global) 29 ret i32 0 30} 31 32declare dso_local void @print_val(i32) 33