From 41d4ed4ed0ec170181e63f74f7a633c2effca976 Mon Sep 17 00:00:00 2001
From: Robert Lytton <robert@xmos.com>
Date: Mon, 2 Dec 2013 10:18:37 +0000
Subject: [PATCH] XCore target: fix large code model 'select' indirect address
 handling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@196088 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/XCore/XCoreInstrInfo.td |  3 +++
 test/CodeGen/XCore/codemodel.ll    | 39 +++++++++++++++++++++++++-----
 2 files changed, 36 insertions(+), 6 deletions(-)

diff --git a/lib/Target/XCore/XCoreInstrInfo.td b/lib/Target/XCore/XCoreInstrInfo.td
index 3f0d08c17a7..5974842383c 100644
--- a/lib/Target/XCore/XCoreInstrInfo.td
+++ b/lib/Target/XCore/XCoreInstrInfo.td
@@ -1289,3 +1289,6 @@ def : Pat<(sra (shl GRRegs:$src, immBpwSubBitp:$imm), immBpwSubBitp:$imm),
 
 def : Pat<(load (cprelwrapper tconstpool:$b)),
           (LDWCP_lru6 tconstpool:$b)>;
+
+def : Pat<(cprelwrapper tconstpool:$b),
+          (LDAWCP_lu6 tconstpool:$b)>;
diff --git a/test/CodeGen/XCore/codemodel.ll b/test/CodeGen/XCore/codemodel.ll
index e86627cc41f..31fbbca250c 100644
--- a/test/CodeGen/XCore/codemodel.ll
+++ b/test/CodeGen/XCore/codemodel.ll
@@ -8,6 +8,33 @@
 ; RUN: llc < %s -march=xcore -code-model=small | FileCheck %s
 ; RUN: llc < %s -march=xcore -code-model=large | FileCheck %s -check-prefix=LARGE
 
+
+; CHECK-LABEL: test:
+; CHECK: zext r0, 1
+; CHECK: bt r0, [[JUMP:.LBB[0-9_]*]]
+; CHECK: ldaw r0, dp[A2]
+; CHECK: retsp 0
+; CHECK: [[JUMP]]
+; CHECK: ldaw r0, dp[A1]
+; CHECK: retsp 0
+; LARGE-LABEL: test:
+; LARGE: zext r0, 1
+; LARGE: ldaw r11, cp[.LCPI{{[0-9_]*}}]
+; LARGE: mov r1, r11
+; LARGE: ldaw r11, cp[.LCPI{{[0-9_]*}}]
+; LARGE: bt r0, [[JUMP:.LBB[0-9_]*]]
+; LARGE: mov r11, r1
+; LARGE: [[JUMP]]
+; LARGE: ldw r0, r11[0]
+; LARGE: retsp 0
+@A1 = external global [50000 x i32]
+@A2 = external global [50000 x i32]
+define [50000 x i32]* @test(i1 %bool) nounwind {
+entry:
+  %Addr = select i1 %bool, [50000 x i32]* @A1, [50000 x i32]* @A2
+  ret [50000 x i32]* %Addr
+}
+
 ; CHECK: .section  .cp.rodata.cst4,"aMc",@progbits,4
 ; CHECK: .long 65536
 ; CHECK: .text
@@ -15,7 +42,7 @@
 ; CHECK: ldc r1, 65532
 ; CHECK: add r1, r0, r1
 ; CHECK: ldw r1, r1[0]
-; CHECK: ldw r2, cp[.LCPI0_0]
+; CHECK: ldw r2, cp[.LCPI{{[0-9_]*}}]
 ; CHECK: add r0, r0, r2
 ; CHECK: ldw r0, r0[0]
 ; CHECK: add r0, r1, r0
@@ -45,20 +72,20 @@
 ; LARGE: ldc r1, 65532
 ; LARGE: add r1, r0, r1
 ; LARGE: ldw r1, r1[0]
-; LARGE: ldw r2, cp[.LCPI0_0]
+; LARGE: ldw r2, cp[.LCPI{{[0-9_]*}}]
 ; LARGE: add r0, r0, r2
 ; LARGE: ldw r0, r0[0]
 ; LARGE: add r0, r1, r0
-; LARGE: ldw r1, cp[.LCPI0_1]
+; LARGE: ldw r1, cp[.LCPI{{[0-9_]*}}]
 ; LARGE: ldw r1, r1[0]
 ; LARGE: add r0, r0, r1
-; LARGE: ldw r1, cp[.LCPI0_2]
+; LARGE: ldw r1, cp[.LCPI{{[0-9_]*}}]
 ; LARGE: ldw r1, r1[0]
 ; LARGE: add r0, r0, r1
-; LARGE: ldw r1, cp[.LCPI0_3]
+; LARGE: ldw r1, cp[.LCPI{{[0-9_]*}}]
 ; LARGE: ldw r1, r1[0]
 ; LARGE: add r0, r0, r1
-; LARGE: ldw r1, cp[.LCPI0_4]
+; LARGE: ldw r1, cp[.LCPI{{[0-9_]*}}]
 ; LARGE: ldw r1, r1[0]
 ; LARGE: add r0, r0, r1
 ; LARGE: ldw r1, dp[s]
-- 
2.34.1