Commit Andy Zhang's test for the lea patch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150107 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/atom-lea-sp.ll b/test/CodeGen/X86/atom-lea-sp.ll
new file mode 100644 (file)
index 0000000..6847e48
--- /dev/null
+++ b/test/CodeGen/X86/atom-lea-sp.ll
@@ -0,0 +1,48 @@
+; RUN: llc < %s -mcpu=atom -march=x86  | FileCheck -check-prefix=atom %s
+; RUN: llc < %s -mcpu=core2 -march=x86 | FileCheck %s
+
+declare void @use_arr(i8*)
+declare void @many_params(i32, i32, i32, i32, i32, i32)
+
+define void @test1() nounwind {
+; atom: test1:
+; atom: leal -1052(%esp), %esp
+; atom-NOT: sub
+; atom: call
+; atom: leal 1052(%esp), %esp
+
+; CHECK: test1:
+; CHECK: subl
+; CHECK: call
+; CHECK-NOT: lea
+  %arr = alloca [1024 x i8], align 16
+  %arr_ptr = getelementptr inbounds [1024 x i8]* %arr, i8 0, i8 0
+  call void @use_arr(i8* %arr_ptr)
+  ret void
+}
+
+define void @test2() nounwind {
+; atom: test2:
+; atom: leal -28(%esp), %esp
+; atom: call
+; atom: leal 28(%esp), %esp
+
+; CHECK: test2:
+; CHECK-NOT: lea
+  call void @many_params(i32 1, i32 2, i32 3, i32 4, i32 5, i32 6)
+  ret void
+}
+
+define void @test3() nounwind {
+; atom: test3:
+; atom: leal -8(%esp), %esp
+; atom: leal 8(%esp), %esp
+
+; CHECK: test3:
+; CHECK-NOT: lea
+  %x = alloca i32, align 4
+  %y = alloca i32, align 4
+  store i32 0, i32* %x, align 4
+  ret void
+}
+