Extend r93152 to work on OR r, r. If the source set bits are known not to overlap, then select as an ADD instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/3addr-or.ll b/test/CodeGen/X86/3addr-or.ll
index 395ba46..30a1f36 100644
--- a/test/CodeGen/X86/3addr-or.ll
+++ b/test/CodeGen/X86/3addr-or.ll
@@ -9,3 +9,19 @@
%1 = or i32 %0, 3 ; <i32> [#uses=1]
ret i32 %1
}
+
+define i64 @test2(i8 %A, i8 %B) nounwind {
+; CHECK: test2:
+; CHECK: shrq $4
+; CHECK-NOT: movq
+; CHECK-NOT: orq
+; CHECK: leaq
+; CHECK: ret
+ %C = zext i8 %A to i64 ; <i64> [#uses=1]
+ %D = shl i64 %C, 4 ; <i64> [#uses=1]
+ %E = and i64 %D, 48 ; <i64> [#uses=1]
+ %F = zext i8 %B to i64 ; <i64> [#uses=1]
+ %G = lshr i64 %F, 4 ; <i64> [#uses=1]
+ %H = or i64 %G, %E ; <i64> [#uses=1]
+ ret i64 %H
+}
diff --git a/test/CodeGen/X86/fast-isel.ll b/test/CodeGen/X86/fast-isel.ll
index 3dcd736..84b3fd7 100644
--- a/test/CodeGen/X86/fast-isel.ll
+++ b/test/CodeGen/X86/fast-isel.ll
@@ -14,7 +14,7 @@
%t1 = mul i32 %t0, %s
%t2 = sub i32 %t1, %s
%t3 = and i32 %t2, %s
- %t4 = or i32 %t3, %s
+ %t4 = xor i32 %t3, 3
%t5 = xor i32 %t4, %s
%t6 = add i32 %t5, 2
%t7 = getelementptr i32* %y, i32 1