Implement inalloca codegen for x86 with the new inalloca design

[oota-llvm.git] / test / CodeGen / X86 / inalloca-ctor.ll

diff --git a/test/CodeGen/X86/inalloca-ctor.ll b/test/CodeGen/X86/inalloca-ctor.ll
new file mode 100644 (file)
index 0000000..f81e967
--- /dev/null
+++ b/test/CodeGen/X86/inalloca-ctor.ll
@@ -0,0 +1,34 @@
+; RUN: llc < %s -mtriple=i686-pc-win32 | FileCheck %s
+
+%Foo = type { i32, i32 }
+
+%frame = type { %Foo, i32, %Foo }
+
+declare void @f(%frame* inalloca %a)
+
+declare void @Foo_ctor(%Foo* %this)
+
+define void @g() {
+entry:
+  %args = alloca %frame, inalloca
+  %c = getelementptr %frame* %args, i32 0, i32 2
+; CHECK: movl    $20, %eax
+; CHECK: calll   __chkstk
+; CHECK: movl %esp,
+  call void @Foo_ctor(%Foo* %c)
+; CHECK: leal 12(%{{.*}}),
+; CHECK: subl $4, %esp
+; CHECK: calll _Foo_ctor
+; CHECK: addl $4, %esp
+  %b = getelementptr %frame* %args, i32 0, i32 1
+  store i32 42, i32* %b
+; CHECK: movl $42,
+  %a = getelementptr %frame* %args, i32 0, i32 0
+  call void @Foo_ctor(%Foo* %a)
+; CHECK: subl $4, %esp
+; CHECK: calll _Foo_ctor
+; CHECK: addl $4, %esp
+  call void @f(%frame* inalloca %args)
+; CHECK: calll   _f
+  ret void
+}