1 ; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s 2 3 ; Test that we don't drop a block that has its address taken. 4 5 ; CHECK: Ltmp1: ## Block address taken 6 ; CHECK: Ltmp2: ## Block address taken 7 8 @a = common global i32 0, align 4 9 @p = common global i8* null, align 8 10 11 define void @foo() noreturn nounwind uwtable ssp { 12 entry: 13 %tmp = load i32* @a, align 4 14 %foo = icmp eq i32 0, %tmp 15 br i1 %foo, label %sw.bb, label %sw.default 16 17 sw.bb: ; preds = %entry 18 store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8 19 br label %sw.bb1 20 21 sw.bb1: ; preds = %sw.default, %sw.bb, %entry 22 store i8* blockaddress(@foo, %sw.default), i8** @p, align 8 23 br label %sw.default 24 25 sw.default: ; preds = %sw.bb1, %entry 26 store i8* blockaddress(@foo, %sw.bb1), i8** @p, align 8 27 br label %sw.bb1 28 } 29
