| ; RUN: llc < %s -mtriple=x86_64-pc-windows-msvc | FileCheck %s |
| |
| ; Check how constant function pointer casts are handled. |
| |
| declare void @unprototyped(...) |
| |
| define i32 @call_unprototyped() { |
| call void bitcast (void (...)* @unprototyped to void ()*)() |
| ret i32 0 |
| } |
| |
| ; CHECK-LABEL: call_unprototyped: |
| ; CHECK: callq unprototyped |
| ; CHECK: xorl %eax, %eax |
| ; CHECK: retq |
| |
| declare void @escaped_cast() |
| |
| define i32 @escape_it_with_cast(i8** %p) { |
| store i8* bitcast (void ()* @escaped_cast to i8*), i8** %p |
| ret i32 0 |
| } |
| |
| declare void @dead_constant() |
| |
| !llvm.module.flags = !{!0} |
| !0 = !{i32 2, !"cfguard", i32 1} |
| |
| !dead_constant_root = !{!1} |
| !1 = !DITemplateValueParameter(name: "dead_constant", value: i8* bitcast (void ()* @dead_constant to i8*)) |
| |
| ; CHECK-LABEL: .section .gfids$y,"dr" |
| ; CHECK-NEXT: .symidx escaped_cast |
| ; CHECK-NOT: .symidx |
| |
