diff options
Diffstat (limited to 'llvm/test/CodeGen/X86/conditional-tailcall.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/conditional-tailcall.ll | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/llvm/test/CodeGen/X86/conditional-tailcall.ll b/llvm/test/CodeGen/X86/conditional-tailcall.ll index 502643d9a91..331697c0515 100644 --- a/llvm/test/CodeGen/X86/conditional-tailcall.ll +++ b/llvm/test/CodeGen/X86/conditional-tailcall.ll @@ -1,5 +1,6 @@ -; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck %s -; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck %s +; RUN: llc < %s -mtriple=i686-linux -show-mc-encoding | FileCheck -check-prefix=CHECK %s +; RUN: llc < %s -mtriple=x86_64-linux -show-mc-encoding | FileCheck -check-prefix=CHECK %s +; RUN: llc < %s -mtriple=x86_64-win32 -show-mc-encoding | FileCheck -check-prefix=CHECK -check-prefix=WIN64 %s declare void @foo() declare void @bar() @@ -23,6 +24,28 @@ bb2: ; CHECK: jmp foo } +define void @f_non_leaf(i32 %x, i32 %y) optsize { +entry: + ; Force %ebx to be spilled on the stack, turning this into + ; not a "leaf" function for Win64. + tail call void asm sideeffect "", "~{ebx}"() + + %p = icmp eq i32 %x, %y + br i1 %p, label %bb1, label %bb2 +bb1: + tail call void @foo() + ret void +bb2: + tail call void @bar() + ret void + +; CHECK-LABEL: f_non_leaf: +; WIN64-NOT: je foo +; WIN64-NOT: jne bar +; WIN64: jne +; WIN64: jmp foo +; WIN64: jmp bar +} declare x86_thiscallcc zeroext i1 @baz(i8*, i32) define x86_thiscallcc zeroext i1 @BlockPlacementTest(i8* %this, i32 %x) optsize { |
