diff options
Diffstat (limited to 'test/CodeGen/X86/hipe-cc.ll')
| -rw-r--r-- | test/CodeGen/X86/hipe-cc.ll | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/test/CodeGen/X86/hipe-cc.ll b/test/CodeGen/X86/hipe-cc.ll index e3808e754228..fbc4cd9d4f9c 100644 --- a/test/CodeGen/X86/hipe-cc.ll +++ b/test/CodeGen/X86/hipe-cc.ll @@ -1,4 +1,4 @@ -; RUN: llc < %s -tailcallopt -code-model=medium -stack-alignment=4 -mtriple=i686-linux-gnu -mcpu=pentium | FileCheck %s +; RUN: llc < %s -stack-symbol-ordering=0 -tailcallopt -code-model=medium -stack-alignment=4 -mtriple=i686-linux-gnu -mcpu=pentium | FileCheck %s ; Check the HiPE calling convention works (x86-32) @@ -73,5 +73,23 @@ define cc 11 void @baz() nounwind { ret void } +; Sanity-check the tail call sequence. Number of arguments was chosen as to +; expose a bug where the tail call sequence clobbered the stack. +define cc 11 { i32, i32, i32 } @tailcaller(i32 %hp, i32 %p) nounwind { + ; CHECK: movl $15, %eax + ; CHECK-NEXT: movl $31, %edx + ; CHECK-NEXT: movl $47, %ecx + ; CHECK-NEXT: popl %edi + ; CHECK-NEXT: jmp tailcallee + %ret = tail call cc11 { i32, i32, i32 } @tailcallee(i32 %hp, i32 %p, i32 15, + i32 31, i32 47, i32 63) nounwind + ret { i32, i32, i32 } %ret +} + +!hipe.literals = !{ !0, !1, !2 } +!0 = !{ !"P_NSP_LIMIT", i32 84 } +!1 = !{ !"X86_LEAF_WORDS", i32 24 } +!2 = !{ !"AMD64_LEAF_WORDS", i32 24 } @clos = external constant i32 declare cc 11 void @bar(i32, i32, i32, i32, i32) +declare cc 11 { i32, i32, i32 } @tailcallee(i32, i32, i32, i32, i32, i32) |