Teach EmitLiveInCopies to omit copies for unused virtual registers,
and to clean up unused incoming physregs from the live-in list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106805 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/ARM/long_shift.ll b/test/CodeGen/ARM/long_shift.ll
index 76332cc..688b7bc 100644
--- a/test/CodeGen/ARM/long_shift.ll
+++ b/test/CodeGen/ARM/long_shift.ll
@@ -23,10 +23,10 @@
define i32 @f2(i64 %x, i64 %y) {
; CHECK: f2
; CHECK: mov r0, r0, lsr r2
-; CHECK-NEXT: rsb r12, r2, #32
+; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: sub r2, r2, #32
; CHECK-NEXT: cmp r2, #0
-; CHECK-NEXT: orr r0, r0, r1, lsl r12
+; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: movge r0, r1, asr r2
%a = ashr i64 %x, %y
%b = trunc i64 %a to i32
@@ -36,10 +36,10 @@
define i32 @f3(i64 %x, i64 %y) {
; CHECK: f3
; CHECK: mov r0, r0, lsr r2
-; CHECK-NEXT: rsb r12, r2, #32
+; CHECK-NEXT: rsb r3, r2, #32
; CHECK-NEXT: sub r2, r2, #32
; CHECK-NEXT: cmp r2, #0
-; CHECK-NEXT: orr r0, r0, r1, lsl r12
+; CHECK-NEXT: orr r0, r0, r1, lsl r3
; CHECK-NEXT: movge r0, r1, lsr r2
%a = lshr i64 %x, %y
%b = trunc i64 %a to i32