Enable Thumb2 instruction shrinking (32-bit to 16-bit) pass. Convert a bunch of thumb2 tests to FileCheck.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78622 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/Thumb2/thumb2-and.ll b/test/CodeGen/Thumb2/thumb2-and.ll
index 39d39ed..ea5b096 100644
--- a/test/CodeGen/Thumb2/thumb2-and.ll
+++ b/test/CodeGen/Thumb2/thumb2-and.ll
@@ -1,33 +1,39 @@
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {and\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\]$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {and\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsl\\W*#5$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {and\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*lsr\\W*#6$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {and\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*asr\\W*#7$} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {and\\.w\\W*r\[0-9\],\\W*r\[0-9\],\\W*r\[0-9\],\\W*ror\\W*#8$} | count 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | FileCheck %s
 
 define i32 @f1(i32 %a, i32 %b) {
+; CHECK: f1:
+; CHECK: ands r0, r1
     %tmp = and i32 %a, %b
     ret i32 %tmp
 }
 
 define i32 @f2(i32 %a, i32 %b) {
+; CHECK: f2:
+; CHECK: and.w r0, r0, r1, lsl #5
     %tmp = shl i32 %b, 5
     %tmp1 = and i32 %a, %tmp
     ret i32 %tmp1
 }
 
 define i32 @f3(i32 %a, i32 %b) {
+; CHECK: f3:
+; CHECK: and.w r0, r0, r1, lsr #6
     %tmp = lshr i32 %b, 6
     %tmp1 = and i32 %a, %tmp
     ret i32 %tmp1
 }
 
 define i32 @f4(i32 %a, i32 %b) {
+; CHECK: f4:
+; CHECK: and.w r0, r0, r1, asr #7
     %tmp = ashr i32 %b, 7
     %tmp1 = and i32 %a, %tmp
     ret i32 %tmp1
 }
 
 define i32 @f5(i32 %a, i32 %b) {
+; CHECK: f5:
+; CHECK: and.w r0, r0, r0, ror #8
     %l8 = shl i32 %a, 24
     %r8 = lshr i32 %a, 8
     %tmp = or i32 %l8, %r8