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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2009-09-27 23:52:58 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2009-09-27 23:52:58 +0000 |
| commit | 7c2b1e71c13e88e0788c5e26e6a366fecea06238 (patch) | |
| tree | f10554a55fe9846eebdbde16c015dac2ac2bebe8 /llvm/test/CodeGen/ARM/t2-imm.ll | |
| parent | b0934cdd1cbb561755b16701d735eb39ca7ccba7 (diff) | |
| download | bcm5719-llvm-7c2b1e71c13e88e0788c5e26e6a366fecea06238.tar.gz bcm5719-llvm-7c2b1e71c13e88e0788c5e26e6a366fecea06238.zip | |
Use movt/movw pair to materialize 32 bit constants on ARMv6T2+.
This should be better than single load from constpool.
llvm-svn: 82948
Diffstat (limited to 'llvm/test/CodeGen/ARM/t2-imm.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/t2-imm.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/t2-imm.ll b/llvm/test/CodeGen/ARM/t2-imm.ll new file mode 100644 index 00000000000..8b619bfef3e --- /dev/null +++ b/llvm/test/CodeGen/ARM/t2-imm.ll @@ -0,0 +1,9 @@ +; RUN: llc < %s -march=arm -mattr=+thumb2 | FileCheck %s + +define i32 @f6(i32 %a) { +; CHECK:f6 +; CHECK: movw r0, #1123 +; CHECK: movt r0, #1000 + %tmp = add i32 0, 65537123 + ret i32 %tmp +} |
