diff --git a/llvm/test/CodeGen/XCore/threads.ll b/llvm/test/CodeGen/XCore/threads.ll
--- a/llvm/test/CodeGen/XCore/threads.ll
+++ b/llvm/test/CodeGen/XCore/threads.ll
@@ -81,6 +81,10 @@
   ret i32* getelementptr inbounds ([3 x i32], [3 x i32]* @tl, i32 0, i32 2)
 }
 
+; This test fails on Windows because the second and third
+; register of the add operations are swapped.
+; Windows test is below.
+; REQUIRES: !windows
 define i32* @f_tle() {
 ; CHECK-LABEL: f_tle:
 ; CHECK: get r11, id
@@ -91,6 +95,22 @@
   ret i32* getelementptr inbounds ([2 x i32], [2 x i32]* @tle, i32 0, i32 0)
 }
 
+; Windows version of the above test.
+; REQUIRES: windows
+define i32* @f_tle_win() {
+; CHECK-LABEL: f_tle_win:
+; CHECK: get r11, id
+; CHECK: shl [[R0:r[0-9]]], r11, 3
+; CHECK: ldaw [[R1:r[0-9]]], dp[tle]
+; r0 = &tl + id*8
+; CHECK: add r0, [[R0]], [[R1]]
+  ret i32* getelementptr inbounds ([2 x i32], [2 x i32]* @tle, i32 0, i32 0)
+}
+
+; This test fails on Windows because the second and third
+; register of the first add operations are swapped.
+; Windows test is below.
+; REQUIRES: !windows
 define i32 @f_tlExpr () {
 ; CHECK-LABEL: f_tlExpr:
 ; CHECK: get r11, id
@@ -103,6 +123,20 @@
       i32 ptrtoint( i32* getelementptr inbounds ([2 x i32], [2 x i32]* @tle, i32 0, i32 0) to i32))
 }
 
+; Windows version of the above test.
+; REQUIRES: windows
+define i32 @f_tlExpr_win () {
+; CHECK-LABEL: f_tlExpr_win:
+; CHECK: get r11, id
+; CHECK: shl [[R0:r[0-9]]], r11, 3
+; CHECK: ldaw [[R1:r[0-9]]], dp[tle]
+; CHECK: add [[R2:r[0-9]]], [[R0]], [[R1]]
+; CHECK: add r0, [[R2]], [[R2]]
+  ret i32 add(
+      i32 ptrtoint( i32* getelementptr inbounds ([2 x i32], [2 x i32]* @tle, i32 0, i32 0) to i32),
+      i32 ptrtoint( i32* getelementptr inbounds ([2 x i32], [2 x i32]* @tle, i32 0, i32 0) to i32))
+}
+
 define void @phiNode1() {
 ; N.B. lowering of duplicate constexpr in a PHI node requires -O=0
 ; PHINODE-LABEL: phiNode1: