X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=test%2FCodeGen%2FThumb2%2Fthumb2-rev.ll;h=873a2d4cf7de77a5132271bacd7c53b813d88db0;hb=50005f6837d1b7fb2b885e062d1077d21110b07a;hp=df484a9280bb16f2afd81a0e908e9746a4219dc2;hpb=af0d08d55c58cc34a373ca5f0b45e852c31e59d0;p=oota-llvm.git

diff --git a/test/CodeGen/Thumb2/thumb2-rev.ll b/test/CodeGen/Thumb2/thumb2-rev.ll
index df484a9280b..873a2d4cf7d 100644
--- a/test/CodeGen/Thumb2/thumb2-rev.ll
+++ b/test/CodeGen/Thumb2/thumb2-rev.ll
@@ -1,8 +1,23 @@
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2,+v7a | grep {rev\\.w\\W*r\[0-9\]*,\\W*r\[0-9\]*} | count 1
+; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2,+v7,+t2xtpk %s -o - | FileCheck %s
 
 define i32 @f1(i32 %a) {
+; CHECK-LABEL: f1:
+; CHECK: rev r0, r0
     %tmp = tail call i32 @llvm.bswap.i32(i32 %a)
     ret i32 %tmp
 }
 
 declare i32 @llvm.bswap.i32(i32) nounwind readnone
+
+define i32 @f2(i32 %X) {
+; CHECK-LABEL: f2:
+; CHECK: revsh r0, r0
+        %tmp1 = lshr i32 %X, 8
+        %tmp1.upgrd.1 = trunc i32 %tmp1 to i16
+        %tmp3 = trunc i32 %X to i16
+        %tmp2 = and i16 %tmp1.upgrd.1, 255
+        %tmp4 = shl i16 %tmp3, 8
+        %tmp5 = or i16 %tmp2, %tmp4
+        %tmp5.upgrd.2 = sext i16 %tmp5 to i32
+        ret i32 %tmp5.upgrd.2
+}