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Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-shifter.ll')
-rw-r--r-- | test/CodeGen/Thumb2/thumb2-shifter.ll | 40 |
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 index 0000000..9bd6e43 --- /dev/null +++ b/test/CodeGen/Thumb2/thumb2-shifter.ll @@ -0,0 +1,40 @@ +; 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 +} + |