From f46262e0b7a183c22b9384cd729c5fb0f05e5d38 Mon Sep 17 00:00:00 2001
From: Manman Ren <manman.ren@gmail.com>
Date: Tue, 29 Mar 2016 17:37:21 +0000
Subject: Swift Calling Convention: add swiftself attribute.

Differential Revision: http://reviews.llvm.org/D17866

llvm-svn: 264754
---
 llvm/test/CodeGen/X86/swiftself.ll | 41 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/swiftself.ll

(limited to 'llvm/test/CodeGen/X86/swiftself.ll')

diff --git a/llvm/test/CodeGen/X86/swiftself.ll b/llvm/test/CodeGen/X86/swiftself.ll
new file mode 100644
index 00000000000..14b049632a4
--- /dev/null
+++ b/llvm/test/CodeGen/X86/swiftself.ll
@@ -0,0 +1,41 @@
+; RUN: llc -verify-machineinstrs < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
+; RUN: llc -O0 -verify-machineinstrs < %s -mtriple=x86_64-unknown-unknown | FileCheck --check-prefix=CHECK-O0 %s
+; RUN: llc -verify-machineinstrs < %s -march=x86 -mcpu=yonah -mtriple=i386-apple-darwin | FileCheck --check-prefix=CHECK-i386 %s
+; RUN: llc -O0 -verify-machineinstrs < %s -march=x86 -mcpu=yonah -mtriple=i386-apple-darwin | FileCheck --check-prefix=CHECK-i386-O0 %s
+
+; Parameter with swiftself should be allocated to r10.
+define void @check_swiftself(i32* swiftself %addr0) {
+; CHECK-LABEL: check_swiftself:
+; CHECK-O0-LABEL: check_swiftself:
+; CHECK-i386-LABEL: check_swiftself:
+; CHECK-i386-O0-LABEL: check_swiftself:
+
+  %val0 = load volatile i32, i32* %addr0
+; CHECK: movl (%r10),
+; CHECK-O0: movl (%r10),
+; CHECK-i386: movl {{[0-9a-f]+}}(%esp)
+; CHECK-i386-O0: movl {{[0-9a-f]+}}(%esp)
+  ret void
+}
+
+@var8_3 = global i8 0
+declare void @take_swiftself(i8* swiftself %addr0)
+
+define void @simple_args() {
+; CHECK-LABEL: simple_args:
+; CHECK-O0-LABEL: simple_args:
+; CHECK-i386-LABEL: simple_args:
+; CHECK-i386-O0-LABEL: simple_args:
+
+  call void @take_swiftself(i8* @var8_3)
+; CHECK: movl {{.*}}, %r10d
+; CHECK: callq {{_?}}take_swiftself
+; CHECK-O0: movabsq {{.*}}, %r10
+; CHECK-O0: callq {{_?}}take_swiftself
+; CHECK-i386: movl {{.*}}, (%esp)
+; CHECK-i386: calll {{.*}}take_swiftself
+; CHECK-i386-O0: movl {{.*}}, (%esp)
+; CHECK-i386-O0: calll {{.*}}take_swiftself
+
+  ret void
+}
-- 
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