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llvm-project/llvm/test/CodeGen/X86/win64_nonvol.ll

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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 llvm-svn: 230714
2015-02-27 08:57:01 +08:00
; 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)