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| author | Charles Davis <cdavis5x@gmail.com> | 2015-02-27 00:57:01 +0000 |
|---|---|---|
| committer | Charles Davis <cdavis5x@gmail.com> | 2015-02-27 00:57:01 +0000 |
| commit | d51be017f089137d356219d08f563d7961c664ce (patch) | |
| tree | d032ff0ba146f47a388ae96cae94174ddc3b0c67 /test | |
| parent | a72314cd80bdea6a35cb021304073b4f39c609db (diff) | |
Target/X86: Save Win64 non-volatile registers in a Win64 ABI function.
Summary:
This change causes us to actually save non-volatile registers in a Win64
ABI function that calls a System V ABI function, and vice-versa.
Reviewers: rnk
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D7919
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/X86/win64_nonvol.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/CodeGen/X86/win64_nonvol.ll b/test/CodeGen/X86/win64_nonvol.ll new file mode 100644 index 00000000000..8e5f6cec1ab --- /dev/null +++ b/test/CodeGen/X86/win64_nonvol.ll @@ -0,0 +1,28 @@ +; RUN: llc < %s -mtriple=x86_64-pc-win32 | FileCheck %s +; RUN: llc < %s -mtriple=x86_64-pc-linux | FileCheck %s + +; Check that, if a Win64 ABI function calls a SysV ABI function, all the +; Win64 nonvolatile registers get saved. + +; CHECK-LABEL: bar: +define x86_64_win64cc void @bar(i32 %a, i32 %b) { +; CHECK-DAG: pushq %rdi +; CHECK-DAG: pushq %rsi +; CHECK-DAG: movaps %xmm6, +; CHECK-DAG: movaps %xmm7, +; CHECK-DAG: movaps %xmm8, +; CHECK-DAG: movaps %xmm9, +; CHECK-DAG: movaps %xmm10, +; CHECK-DAG: movaps %xmm11, +; CHECK-DAG: movaps %xmm12, +; CHECK-DAG: movaps %xmm13, +; CHECK-DAG: movaps %xmm14, +; CHECK-DAG: movaps %xmm15, +; CHECK: callq foo +; CHECK: ret + call x86_64_sysvcc void @foo(i32 %a, i32 %b) + ret void +} + +declare x86_64_sysvcc void @foo(i32 %a, i32 %b) + |