From 5743854f47c00118f7e667c68c10db5ce76225b3 Mon Sep 17 00:00:00 2001
From: David Goodwin <david_goodwin@apple.com>
Date: Tue, 28 Jul 2009 18:15:38 +0000
Subject: [PATCH] Add workaround for <rdar://problem/7098328>.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77340 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/ARM/ARMInstrThumb2.td | 3 ++-
test/CodeGen/Thumb2/thumb2-lsr3.ll | 4 ++--
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 2affa6389c6..69304027367 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -714,8 +714,9 @@ defm t2LSR : T2I_sh_ir<"lsr", BinOpFrag<(srl node:$LHS, node:$RHS)>>;
defm t2ASR : T2I_sh_ir<"asr", BinOpFrag<(sra node:$LHS, node:$RHS)>>;
defm t2ROR : T2I_sh_ir<"ror", BinOpFrag<(rotr node:$LHS, node:$RHS)>>;
+// FIXME should be "rrx $dst,$src" once <rdar://problem/7098328> is fixed
def t2MOVrx : T2sI<(outs GPR:$dst), (ins GPR:$src),
- "rrx", " $dst, $src",
+ "mov", ".w $dst, $src, rrx",
[(set GPR:$dst, (ARMrrx GPR:$src))]>;
let Defs = [CPSR] in {
diff --git a/test/CodeGen/Thumb2/thumb2-lsr3.ll b/test/CodeGen/Thumb2/thumb2-lsr3.ll
index 9bc4b5b7c51..a3f7a1a6035 100644
--- a/test/CodeGen/Thumb2/thumb2-lsr3.ll
+++ b/test/CodeGen/Thumb2/thumb2-lsr3.ll
@@ -2,7 +2,7 @@
define i1 @test1(i64 %poscnt, i32 %work) {
entry:
-; CHECK: rrx r0, r0
+; CHECK: mov.w r0, r0, rrx
; CHECK: lsrs.w r1, r1, #1
%0 = lshr i64 %poscnt, 1
%1 = icmp eq i64 %0, 0
@@ -11,7 +11,7 @@ entry:
define i1 @test2(i64 %poscnt, i32 %work) {
entry:
-; CHECK: rrx r0, r0
+; CHECK: mov.w r0, r0, rrx
; CHECK: asrs.w r1, r1, #1
%0 = ashr i64 %poscnt, 1
%1 = icmp eq i64 %0, 0