Fold some and + shift in x86 addressing mode.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44970 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/fold-and-shift.ll b/test/CodeGen/X86/fold-and-shift.ll
new file mode 100644
index 0000000..705b795
--- /dev/null
+++ b/test/CodeGen/X86/fold-and-shift.ll
@@ -0,0 +1,21 @@
+; RUN: llvm-as < %s | llc -march=x86 | not grep and
+
+define i32 @t1(i8* %X, i32 %i) {
+entry:
+ %tmp2 = shl i32 %i, 2 ; <i32> [#uses=1]
+ %tmp4 = and i32 %tmp2, 1020 ; <i32> [#uses=1]
+ %tmp7 = getelementptr i8* %X, i32 %tmp4 ; <i8*> [#uses=1]
+ %tmp78 = bitcast i8* %tmp7 to i32* ; <i32*> [#uses=1]
+ %tmp9 = load i32* %tmp78, align 4 ; <i32> [#uses=1]
+ ret i32 %tmp9
+}
+
+define i32 @t2(i16* %X, i32 %i) {
+entry:
+ %tmp2 = shl i32 %i, 1 ; <i32> [#uses=1]
+ %tmp4 = and i32 %tmp2, 131070 ; <i32> [#uses=1]
+ %tmp7 = getelementptr i16* %X, i32 %tmp4 ; <i16*> [#uses=1]
+ %tmp78 = bitcast i16* %tmp7 to i32* ; <i32*> [#uses=1]
+ %tmp9 = load i32* %tmp78, align 4 ; <i32> [#uses=1]
+ ret i32 %tmp9
+}