It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/lea-3.ll b/test/CodeGen/X86/lea-3.ll
new file mode 100644
index 0000000..89991fd
--- /dev/null
+++ b/test/CodeGen/X86/lea-3.ll
@@ -0,0 +1,20 @@
+
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {leal (%rdi,%rdi,2), %eax}
+define i32 @test(i32 %a) {
+        %tmp2 = mul i32 %a, 3           ; <i32> [#uses=1]
+        ret i32 %tmp2
+}
+
+; RUN: llvm-as < %s | llc -march=x86-64 | grep {leaq (,%rdi,4), %rax}
+define i64 @test2(i64 %a) {
+        %tmp2 = shl i64 %a, 2
+	%tmp3 = or i64 %tmp2, %a
+        ret i64 %tmp3
+}
+
+;; TODO!  LEA instead of shift + copy.
+define i64 @test3(i64 %a) {
+        %tmp2 = shl i64 %a, 3
+        ret i64 %tmp2
+}
+