diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td
index 63d8b48734e..b19cccbd992 100644
--- a/lib/Target/ARM/ARMInstrThumb.td
+++ b/lib/Target/ARM/ARMInstrThumb.td
@@ -970,7 +970,7 @@ def tEOR :                      // A8.6.45
 
 // LSL immediate
 def tLSLri :                    // A8.6.88
-  T1sIGenEncodeImm<{0,0,0,?,?}, (outs tGPR:$Rd), (ins tGPR:$Rm, i32imm:$imm5),
+  T1sIGenEncodeImm<{0,0,0,?,?}, (outs tGPR:$Rd), (ins tGPR:$Rm, imm0_31:$imm5),
                    IIC_iMOVsi,
                    "lsl", "\t$Rd, $Rm, $imm5",
                    [(set tGPR:$Rd, (shl tGPR:$Rm, (i32 imm:$imm5)))]> {
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 60f16f83625..7197b99b25b 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -2728,7 +2728,7 @@ StringRef ARMAsmParser::splitMnemonic(StringRef Mnemonic,
   // predicated but do have a carry-set and so weren't caught above.
   if (Mnemonic != "adcs" && Mnemonic != "bics" && Mnemonic != "movs" &&
       Mnemonic != "muls" && Mnemonic != "smlals" && Mnemonic != "smulls" &&
-      Mnemonic != "umlals" && Mnemonic != "umulls") {
+      Mnemonic != "umlals" && Mnemonic != "umulls" && Mnemonic != "lsls") {
     unsigned CC = StringSwitch<unsigned>(Mnemonic.substr(Mnemonic.size()-2))
       .Case("eq", ARMCC::EQ)
       .Case("ne", ARMCC::NE)
diff --git a/test/MC/ARM/basic-thumb-instructions.s b/test/MC/ARM/basic-thumb-instructions.s
index 50554326ca8..7ed665c2413 100644
--- a/test/MC/ARM/basic-thumb-instructions.s
+++ b/test/MC/ARM/basic-thumb-instructions.s
@@ -260,3 +260,13 @@ _func:
 
 @ CHECK: ldrsb	r6, [r2, r6]            @ encoding: [0x96,0x57]
 @ CHECK: ldrsh	r3, [r7, r1]            @ encoding: [0x7b,0x5e]
+
+
+@------------------------------------------------------------------------------
+@ LSL (immediate)
+@------------------------------------------------------------------------------
+        lsls r4, r5, #0
+        lsls r4, r5, #4
+
+@ CHECK: lsls	r4, r5, #0              @ encoding: [0x2c,0x00]
+@ CHECK: lsls	r4, r5, #4              @ encoding: [0x2c,0x01]
diff --git a/test/MC/ARM/thumb-diagnostics.s b/test/MC/ARM/thumb-diagnostics.s
index d067b2be6c6..df8f2262caa 100644
--- a/test/MC/ARM/thumb-diagnostics.s
+++ b/test/MC/ARM/thumb-diagnostics.s
@@ -49,3 +49,14 @@ error: invalid operand for instruction
 @ CHECK-ERRORS: error: writeback operator '!' expected
 @ CHECK-ERRORS:         ldm r2, {r5, r7}
 @ CHECK-ERRORS:             ^
+
+
+@ Out of range immediates for LSL instruction.
+        lsls r4, r5, #-1
+        lsls r4, r5, #32
+@ CHECK-ERRORS: error: invalid operand for instruction
+@ CHECK-ERRORS:         lsls r4, r5, #-1
+@ CHECK-ERRORS:                      ^
+@ CHECK-ERRORS: error: invalid operand for instruction
+@ CHECK-ERRORS:         lsls r4, r5, #32
+@ CHECK-ERRORS:                      ^