1 files changed, 68 insertions, 14 deletions
diff --git a/test/CodeGen/Mips/unalignedload.ll b/test/CodeGen/Mips/unalignedload.ll
index 19f3af7f34..2002b1c60a 100644
--- a/test/CodeGen/Mips/unalignedload.ll
+++ b/test/CodeGen/Mips/unalignedload.ll
@@ -1,5 +1,9 @@
-; RUN: llc  < %s -march=mipsel  | FileCheck %s -check-prefix=CHECK-EL
-; RUN: llc  < %s -march=mips    | FileCheck %s -check-prefix=CHECK-EB
+; RUN: llc  < %s -march=mipsel -mcpu=mips32   | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EL -check-prefix=MIPS32-EL
+; RUN: llc  < %s -march=mips   -mcpu=mips32   | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EB -check-prefix=MIPS32-EB
+; RUN: llc  < %s -march=mipsel -mcpu=mips32r2 | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EL -check-prefix=MIPS32-EL
+; RUN: llc  < %s -march=mips   -mcpu=mips32r2 | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EB -check-prefix=MIPS32-EB
+; RUN: llc  < %s -march=mipsel -mcpu=mips32r6 | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EL -check-prefix=MIPS32R6-EL
+; RUN: llc  < %s -march=mips   -mcpu=mips32r6 | FileCheck %s -check-prefix=ALL -check-prefix=ALL-EB -check-prefix=MIPS32R6-EB
 %struct.S2 = type { %struct.S1, %struct.S1 }
 %struct.S1 = type { i8, i8 }
 %struct.S4 = type { [7 x i8] }
@@ -7,21 +11,71 @@
 @s2 = common global %struct.S2 zeroinitializer, align 1
 @s4 = common global %struct.S4 zeroinitializer, align 1
 
-define void @foo1() nounwind {
+define void @bar1() nounwind {
 entry:
-; CHECK-EL-DAG: lbu ${{[0-9]+}}, 2($[[R0:[0-9]+]])
-; CHECK-EL-DAG: lbu ${{[0-9]+}}, 3($[[R0]])
-; CHECK-EL:     jalr
-; CHECK-EL-DAG: lwl $[[R1:[0-9]+]], 3($[[R2:[0-9]+]])
-; CHECK-EL-DAG: lwr $[[R1]], 0($[[R2]])
-
-; CHECK-EB-DAG: lbu ${{[0-9]+}}, 3($[[R0:[0-9]+]])
-; CHECK-EB-DAG: lbu ${{[0-9]+}}, 2($[[R0]])
-; CHECK-EB:     jalr
-; CHECK-EB-DAG: lwl $[[R1:[0-9]+]], 0($[[R2:[0-9]+]])
-; CHECK-EB-DAG: lwr $[[R1]], 3($[[R2]])
+; ALL-LABEL: bar1:
+
+; ALL-DAG:       lw $[[R0:[0-9]+]], %got(s2)(
+
+; MIPS32-EL-DAG: lbu $[[PART1:[0-9]+]], 2($[[R0]])
+; MIPS32-EL-DAG: lbu $[[PART2:[0-9]+]], 3($[[R0]])
+; MIPS32-EL-DAG: sll $[[T0:[0-9]+]], $[[PART2]], 8
+; MIPS32-EL-DAG: or  $4, $[[T0]], $[[PART1]]
+
+; MIPS32-EB-DAG: lbu $[[PART1:[0-9]+]], 2($[[R0]])
+; MIPS32-EB-DAG: lbu $[[PART2:[0-9]+]], 3($[[R0]])
+; MIPS32-EB-DAG: sll $[[T0:[0-9]+]], $[[PART1]], 8
+; MIPS32-EB-DAG: or  $[[T1:[0-9]+]], $[[T0]], $[[PART2]]
+; MIPS32-EB-DAG: sll $4, $[[T1]], 16
+
+; MIPS32R6-DAG:  lhu $[[PART1:[0-9]+]], 2($[[R0]])
 
   tail call void @foo2(%struct.S1* byval getelementptr inbounds (%struct.S2* @s2, i32 0, i32 1)) nounwind
+  ret void
+}
+
+define void @bar2() nounwind {
+entry:
+; ALL-LABEL: bar2:
+
+; ALL-DAG:       lw $[[R2:[0-9]+]], %got(s4)(
+
+; MIPS32-EL-DAG: lwl $[[R1:4]], 3($[[R2]])
+; MIPS32-EL-DAG: lwr $[[R1]], 0($[[R2]])
+; MIPS32-EL-DAG: lbu $[[T0:[0-9]+]], 4($[[R2]])
+; MIPS32-EL-DAG: lbu $[[T1:[0-9]+]], 5($[[R2]])
+; MIPS32-EL-DAG: lbu $[[T2:[0-9]+]], 6($[[R2]])
+; MIPS32-EL-DAG: sll $[[T3:[0-9]+]], $[[T1]], 8
+; MIPS32-EL-DAG: or  $[[T4:[0-9]+]], $[[T3]], $[[T0]]
+; MIPS32-EL-DAG: sll $[[T5:[0-9]+]], $[[T2]], 16
+; MIPS32-EL-DAG: or  $5, $[[T4]], $[[T5]]
+
+; MIPS32-EB-DAG: lwl $[[R1:4]], 0($[[R2]])
+; MIPS32-EB-DAG: lwr $[[R1]], 3($[[R2]])
+; MIPS32-EB-DAG: lbu $[[T0:[0-9]+]], 4($[[R2]])
+; MIPS32-EB-DAG: lbu $[[T1:[0-9]+]], 5($[[R2]])
+; MIPS32-EB-DAG: lbu $[[T2:[0-9]+]], 6($[[R2]])
+; MIPS32-EB-DAG: sll $[[T3:[0-9]+]], $[[T0]], 8
+; MIPS32-EB-DAG: or  $[[T4:[0-9]+]], $[[T3]], $[[T1]]
+; MIPS32-EB-DAG: sll $[[T5:[0-9]+]], $[[T4]], 16
+; MIPS32-EB-DAG: sll $[[T6:[0-9]+]], $[[T2]], 8
+; MIPS32-EB-DAG: or  $5, $[[T5]], $[[T6]]
+
+; FIXME: We should be able to do better than this using lhu
+; MIPS32R6-EL-DAG: lw $4, 0($[[R2]])
+; MIPS32R6-EL-DAG: lhu $[[T0:[0-9]+]], 4($[[R2]])
+; MIPS32R6-EL-DAG: lbu $[[T1:[0-9]+]], 6($[[R2]])
+; MIPS32R6-EL-DAG: sll $[[T2:[0-9]+]], $[[T1]], 16
+; MIPS32R6-EL-DAG: or  $5, $[[T0]], $[[T2]]
+
+; FIXME: We should be able to do better than this using lhu
+; MIPS32R6-EB-DAG: lw $4, 0($[[R2]])
+; MIPS32R6-EB-DAG: lhu $[[T0:[0-9]+]], 4($[[R2]])
+; MIPS32R6-EB-DAG: lbu $[[T1:[0-9]+]], 6($[[R2]])
+; MIPS32R6-EB-DAG: sll $[[T2:[0-9]+]], $[[T0]], 16
+; MIPS32R6-EB-DAG: sll $[[T3:[0-9]+]], $[[T1]], 8
+; MIPS32R6-EB-DAG: or  $5, $[[T2]], $[[T3]]
+
   tail call void @foo4(%struct.S4* byval @s4) nounwind
   ret void
 }