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-rw-r--r--test/CodeGen/Thumb2/thumb2-shifter.ll40
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-shifter.ll b/test/CodeGen/Thumb2/thumb2-shifter.ll
new file mode 100644
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--- /dev/null
+++ b/test/CodeGen/Thumb2/thumb2-shifter.ll
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+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsl
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep lsr
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep asr
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep ror
+; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | not grep mov
+
+define i32 @t2ADDrs_lsl(i32 %X, i32 %Y) {
+ %A = shl i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+define i32 @t2ADDrs_lsr(i32 %X, i32 %Y) {
+ %A = lshr i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+define i32 @t2ADDrs_asr(i32 %X, i32 %Y) {
+ %A = ashr i32 %Y, 16
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+
+; i32 ror(n) = (x >> n) | (x << (32 - n))
+define i32 @t2ADDrs_ror(i32 %X, i32 %Y) {
+ %A = lshr i32 %Y, 16
+ %B = shl i32 %Y, 16
+ %C = or i32 %B, %A
+ %R = add i32 %X, %C
+ ret i32 %R
+}
+
+define i32 @t2ADDrs_noRegShift(i32 %X, i32 %Y, i8 %sh) {
+ %shift.upgrd.1 = zext i8 %sh to i32
+ %A = shl i32 %Y, %shift.upgrd.1
+ %B = add i32 %X, %A
+ ret i32 %B
+}
+