A few more load instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74500 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 60 insertions, 0 deletions

diff --git a/test/CodeGen/Thumb2/thumb2-ldrb.ll b/test/CodeGen/Thumb2/thumb2-ldrb.ll
new file mode 100644
index 0000000000..5bacb8eb2b
--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-ldrb.ll
@@ -0,0 +1,60 @@
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep {ldrb r0} | count 7
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep 1
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mvn
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ldrb | grep lsl
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr | not grep ldrb
+
+define i8 @f1(i8* %v) {
+entry:
+        %tmp = load i8* %v
+        ret i8 %tmp
+}
+
+define i8 @f2(i8* %v) {
+entry:
+        %tmp2 = getelementptr i8* %v, i8 1023
+        %tmp = load i8* %tmp2
+        ret i8 %tmp
+}
+
+define i8 @f3(i32 %base) {
+entry:
+        %tmp1 = add i32 %base, 4096
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f4(i32 %base) {
+entry:
+        %tmp1 = sub i32 %base, 128
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f5(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = add i32 %base, %offset
+        %tmp2 = inttoptr i32 %tmp1 to i8*
+        %tmp3 = load i8* %tmp2
+        ret i8 %tmp3
+}
+
+define i8 @f6(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = shl i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i8*
+        %tmp4 = load i8* %tmp3
+        ret i8 %tmp4
+}
+
+define i8 @f7(i32 %base, i32 %offset) {
+entry:
+        %tmp1 = lshr i32 %offset, 2
+        %tmp2 = add i32 %base, %tmp1
+        %tmp3 = inttoptr i32 %tmp2 to i8*
+        %tmp4 = load i8* %tmp3
+        ret i8 %tmp4
+}