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Diffstat (limited to 'test/CodeGen/X86/empty-function.ll')
| -rw-r--r-- | test/CodeGen/X86/empty-function.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/X86/empty-function.ll b/test/CodeGen/X86/empty-function.ll new file mode 100644 index 000000000000..92bebd0ab1a7 --- /dev/null +++ b/test/CodeGen/X86/empty-function.ll @@ -0,0 +1,22 @@ +; RUN: llc < %s -mtriple=i686-pc-win32 | FileCheck -check-prefix=CHECK -check-prefix=WIN32 %s +; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck -check-prefix=CHECK -check-prefix=WIN64 %s +; RUN: llc < %s -mtriple=i386-linux-gnu | FileCheck -check-prefix=LINUX %s + +target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" +target triple = "i686-pc-windows-msvc18.0.0" + +; Don't emit empty functions on Windows; it can lead to duplicate entries +; (multiple functions sharing the same RVA) in the Guard CF Function Table which +; the kernel refuses to load. + +define void @f() { +entry: + unreachable + +; CHECK-LABEL: f: +; WIN32: nop +; WIN64: ud2 +; LINUX-NOT: nop +; LINUX-NOT: ud2 + +} |