[BPF] Return true in enableMultipleCopyHints().
Enable multiple COPY hints to eliminate more COPYs during register allocation.
Note that this is something all targets should do, see
https://reviews.llvm.org/D38128.
Review: Yonghong Song
llvm-svn: 325457
diff --git a/llvm/test/CodeGen/BPF/objdump_intrinsics.ll b/llvm/test/CodeGen/BPF/objdump_intrinsics.ll
index 6a32da9..c27e1f4 100644
--- a/llvm/test/CodeGen/BPF/objdump_intrinsics.ll
+++ b/llvm/test/CodeGen/BPF/objdump_intrinsics.ll
@@ -83,15 +83,15 @@
ret i32 %conv5
; CHECK-LABEL: bswap:
; CHECK-EL: r1 = be64 r1
-; CHECK-EL: r2 = be32 r2
-; CHECK-EL: r2 += r1
+; CHECK-EL: r0 = be32 r0
+; CHECK-EL: r0 += r1
; CHECK-EL: r3 = be16 r3
-; CHECK-EL: r2 += r3
+; CHECK-EL: r0 += r3
; CHECK-EB: r1 = le64 r1
-; CHECK-EB: r2 = le32 r2
-; CHECK-EB: r2 += r1
+; CHECK-EB: r0 = le32 r0
+; CHECK-EB: r0 += r1
; CHECK-EB: r3 = le16 r3
-; CHECK-EB: r2 += r3
+; CHECK-EB: r0 += r3
}
declare i64 @llvm.bswap.i64(i64) #1