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| author | Amjad Aboud <amjad.aboud@intel.com> | 2016-05-13 12:46:57 +0000 |
|---|---|---|
| committer | Amjad Aboud <amjad.aboud@intel.com> | 2016-05-13 12:46:57 +0000 |
| commit | 78b1fb01466818fd1296cd32805d4ecf1655fef8 (patch) | |
| tree | faa8fa17c68e1e3a7e64ad3eb4ec897753386497 /llvm/test/CodeGen/X86/x86-interrupt_cld.ll | |
| parent | fc1186510b79c0dbc4ff521fcb37f6c83e564c71 (diff) | |
| download | bcm5719-llvm-78b1fb01466818fd1296cd32805d4ecf1655fef8.tar.gz bcm5719-llvm-78b1fb01466818fd1296cd32805d4ecf1655fef8.zip | |
Assure calling "cld" instruction in prologue of X86 interrupt handler function.
Differential Revision: http://reviews.llvm.org/D18725
llvm-svn: 269413
Diffstat (limited to 'llvm/test/CodeGen/X86/x86-interrupt_cld.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/x86-interrupt_cld.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/x86-interrupt_cld.ll b/llvm/test/CodeGen/X86/x86-interrupt_cld.ll new file mode 100644 index 00000000000..bbb109eb633 --- /dev/null +++ b/llvm/test/CodeGen/X86/x86-interrupt_cld.ll @@ -0,0 +1,17 @@ +; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s + +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; +;; Checks that interrupt handler code calls cld before calling an external +;; function. +;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; + +; CHECK: cld +; CHECK: call + +define x86_intrcc void @foo(i8* %frame) { + call void @bar() + ret void +} + +declare void @bar() + |
