2 files changed, 46 insertions, 0 deletions
diff --git a/test/CodeGen/X86/narrow_op-1.ll b/test/CodeGen/X86/narrow_op-1.ll
new file mode 100644
index 0000000000..0ee11b4955
--- /dev/null
+++ b/test/CodeGen/X86/narrow_op-1.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep orb | count 1
+; RUN: llvm-as < %s | llc -march=x86-64 | grep orb | grep 1
+; RUN: llvm-as < %s | llc -march=x86-64 | grep orl | count 1
+; RUN: llvm-as < %s | llc -march=x86-64 | grep orl | grep 16842752
+
+	%struct.bf = type { i64, i16, i16, i32 }
+@bfi = common global %struct.bf zeroinitializer, align 16
+
+define void @t1() nounwind optsize ssp {
+entry:
+	%0 = load i32* bitcast (i16* getelementptr (%struct.bf* @bfi, i32 0, i32 1) to i32*), align 8
+	%1 = or i32 %0, 65536
+	store i32 %1, i32* bitcast (i16* getelementptr (%struct.bf* @bfi, i32 0, i32 1) to i32*), align 8
+	ret void
+}
+
+define void @t2() nounwind optsize ssp {
+entry:
+	%0 = load i32* bitcast (i16* getelementptr (%struct.bf* @bfi, i32 0, i32 1) to i32*), align 8
+	%1 = or i32 %0, 16842752
+	store i32 %1, i32* bitcast (i16* getelementptr (%struct.bf* @bfi, i32 0, i32 1) to i32*), align 8
+	ret void
+}
diff --git a/test/CodeGen/X86/narrow_op-2.ll b/test/CodeGen/X86/narrow_op-2.ll
new file mode 100644
index 0000000000..b441794f42
--- /dev/null
+++ b/test/CodeGen/X86/narrow_op-2.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | llc -march=x86-64 | grep andb | count 2
+; RUN: llvm-as < %s | llc -march=x86-64 | grep andb | grep 254
+; RUN: llvm-as < %s | llc -march=x86-64 | grep andb | grep 253
+
+	%struct.bf = type { i64, i16, i16, i32 }
+@bfi = external global %struct.bf*
+
+define void @t1() nounwind ssp {
+entry:
+	%0 = load %struct.bf** @bfi, align 8
+	%1 = getelementptr %struct.bf* %0, i64 0, i32 1
+	%2 = bitcast i16* %1 to i32*
+	%3 = load i32* %2, align 1
+	%4 = and i32 %3, -65537
+	store i32 %4, i32* %2, align 1
+	%5 = load %struct.bf** @bfi, align 8
+	%6 = getelementptr %struct.bf* %5, i64 0, i32 1
+	%7 = bitcast i16* %6 to i32*
+	%8 = load i32* %7, align 1
+	%9 = and i32 %8, -131073
+	store i32 %9, i32* %7, align 1
+	ret void
+}