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diff --git a/test/Bitcode/sse42_crc32.ll b/test/Bitcode/sse42_crc32.ll
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+++ b/test/Bitcode/sse42_crc32.ll
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+; Check to make sure old CRC32 intrinsics are auto-upgraded
+; correctly.
+;
+; Rdar: 9472944
+;
+; RUN: llvm-dis < %s.bc | FileCheck %s
+
+; crc32.8 should upgrade to crc32.32.8
+; CHECK: i32 @llvm.x86.sse42.crc32.32.8(
+; CHECK-NOT: i32 @llvm.x86.sse42.crc32.8(
+
+; crc32.16 should upgrade to crc32.32.16
+; CHECK: i32 @llvm.x86.sse42.crc32.32.16(
+; CHECK-NOT: i32 @llvm.x86.sse42.crc32.16(
+
+; crc32.32 should upgrade to crc32.32.32
+; CHECK: i32 @llvm.x86.sse42.crc32.32.32(
+; CHECK-NOT: i32 @llvm.x86.sse42.crc32.32(
+
+; crc64.8 should upgrade to crc32.64.8
+; CHECK: i64 @llvm.x86.sse42.crc32.64.8(
+; CHECK-NOT: i64 @llvm.x86.sse42.crc64.8(
+
+; crc64.64 should upgrade to crc32.64.64
+; CHECK: i64 @llvm.x86.sse42.crc32.64.64(
+; CHECK-NOT: i64 @llvm.x86.sse42.crc64.64(
+
+
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