From 4e1fae512514a705722bc978dfba7f6f546a8cf3 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 27 Jan 2009 00:40:27 +0000 Subject: Add a regression test for x86-64 red zone usage. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63075 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/red-zone.ll | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100644 test/CodeGen/X86/red-zone.ll (limited to 'test/CodeGen/X86/red-zone.ll') diff --git a/test/CodeGen/X86/red-zone.ll b/test/CodeGen/X86/red-zone.ll new file mode 100644 index 0000000000..60e16b05ca --- /dev/null +++ b/test/CodeGen/X86/red-zone.ll @@ -0,0 +1,13 @@ +; RUN: llvm-as < %s | llc -march=x86-64 > %t +; RUN: not grep subq %t +; RUN: not grep addq %t +; RUN: grep {\\-4(%%rsp)} %t | count 2 +; RUN: llvm-as < %s | llc -march=x86-64 -disable-red-zone > %t +; RUN: grep subq %t | count 1 +; RUN: grep addq %t | count 1 + +define x86_fp80 @f0(float %f) nounwind readnone { +entry: + %0 = fpext float %f to x86_fp80 ; [#uses=1] + ret x86_fp80 %0 +} -- cgit v1.2.3