diff options
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-mov2.ll')
-rw-r--r-- | test/CodeGen/Thumb2/thumb2-mov2.ll | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-mov2.ll b/test/CodeGen/Thumb2/thumb2-mov2.ll new file mode 100644 index 0000000..d2f8c0b --- /dev/null +++ b/test/CodeGen/Thumb2/thumb2-mov2.ll @@ -0,0 +1,65 @@ +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep movt | grep #1234 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep movt | grep #1234 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep movt | grep #1234 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep movt | grep #1234 +; RUN: llvm-as < %s | llc -march=thumb -mattr=+thumb2 | grep mov | grep movt + +define i32 @t2MOVTi16_ok_1(i32 %a) { + %1 = and i32 %a, 65535 + %2 = shl i32 1234, 16 + %3 = or i32 %1, %2 + + ret i32 %3 +} + +define i32 @t2MOVTi16_test_1(i32 %a) { + %1 = shl i32 255, 8 + %2 = shl i32 1234, 8 + %3 = or i32 %1, 255 ; This give us 0xFFFF in %3 + %4 = shl i32 %2, 8 ; This gives us (1234 << 16) in %4 + %5 = and i32 %a, %3 + %6 = or i32 %4, %5 + + ret i32 %6 +} + +define i32 @t2MOVTi16_test_2(i32 %a) { + %1 = shl i32 255, 8 + %2 = shl i32 1234, 8 + %3 = or i32 %1, 255 ; This give us 0xFFFF in %3 + %4 = shl i32 %2, 6 + %5 = and i32 %a, %3 + %6 = shl i32 %4, 2 ; This gives us (1234 << 16) in %6 + %7 = or i32 %5, %6 + + ret i32 %7 +} + +define i32 @t2MOVTi16_test_3(i32 %a) { + %1 = shl i32 255, 8 + %2 = shl i32 1234, 8 + %3 = or i32 %1, 255 ; This give us 0xFFFF in %3 + %4 = shl i32 %2, 6 + %5 = and i32 %a, %3 + %6 = shl i32 %4, 2 ; This gives us (1234 << 16) in %6 + %7 = lshr i32 %6, 6 + %8 = shl i32 %7, 6 + %9 = or i32 %5, %8 + + ret i32 %9 +} + +define i32 @t2MOVTi16_test_nomatch_1(i32 %a) { + %1 = shl i32 255, 8 + %2 = shl i32 1234, 8 + %3 = or i32 %1, 255 ; This give us 0xFFFF in %3 + %4 = shl i32 %2, 6 + %5 = and i32 %a, %3 + %6 = shl i32 %4, 2 ; This gives us (1234 << 16) in %6 + %7 = lshr i32 %6, 3 + %8 = or i32 %5, %7 + + ret i32 %8 +} + + |