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

1 files changed, 17 insertions, 6 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-ldrh.ll b/test/CodeGen/Thumb2/thumb2-ldrh.ll
index c5b1aa9..3043940 100644
--- a/test/CodeGen/Thumb2/thumb2-ldrh.ll
+++ b/test/CodeGen/Thumb2/thumb2-ldrh.ll
@@ -1,18 +1,17 @@
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrh\\.w r0} | count 6
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrh r0} | count 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov\\.w | grep 1
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn\\.w
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrh\\.w | grep lsl
-; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr\\.w | not grep ldrh
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | FileCheck %s
 
 define i16 @f1(i16* %v) {
 entry:
+; CHECK: f1:
+; CHECK: ldrh.w r0, [r0]
         %tmp = load i16* %v
         ret i16 %tmp
 }
 
 define i16 @f2(i16* %v) {
 entry:
+; CHECK: f2:
+; CHECK: ldrh.w r0, [r0, #+2046]
         %tmp2 = getelementptr i16* %v, i16 1023
         %tmp = load i16* %tmp2
         ret i16 %tmp
@@ -20,6 +19,9 @@ entry:
 
 define i16 @f3(i16* %v) {
 entry:
+; CHECK: f3:
+; CHECK: mov.w r1, #4096
+; CHECK: ldrh.w r0, [r0, +r1]
         %tmp2 = getelementptr i16* %v, i16 2048
         %tmp = load i16* %tmp2
         ret i16 %tmp
@@ -27,6 +29,8 @@ entry:
 
 define i16 @f4(i32 %base) {
 entry:
+; CHECK: f4:
+; CHECK: ldrh r0, [r0, #-128]
         %tmp1 = sub i32 %base, 128
         %tmp2 = inttoptr i32 %tmp1 to i16*
         %tmp3 = load i16* %tmp2
@@ -35,6 +39,8 @@ entry:
 
 define i16 @f5(i32 %base, i32 %offset) {
 entry:
+; CHECK: f5:
+; CHECK: ldrh.w r0, [r0, +r1]
         %tmp1 = add i32 %base, %offset
         %tmp2 = inttoptr i32 %tmp1 to i16*
         %tmp3 = load i16* %tmp2
@@ -43,6 +49,8 @@ entry:
 
 define i16 @f6(i32 %base, i32 %offset) {
 entry:
+; CHECK: f6:
+; CHECK: ldrh.w r0, [r0, +r1, lsl #2]
         %tmp1 = shl i32 %offset, 2
         %tmp2 = add i32 %base, %tmp1
         %tmp3 = inttoptr i32 %tmp2 to i16*
@@ -52,6 +60,9 @@ entry:
 
 define i16 @f7(i32 %base, i32 %offset) {
 entry:
+; CHECK: f7:
+; CHECK: lsrs r1, r1, #2
+; CHECK: ldrh.w r0, [r0, +r1]
         %tmp1 = lshr i32 %offset, 2
         %tmp2 = add i32 %base, %tmp1
         %tmp3 = inttoptr i32 %tmp2 to i16*