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| author | David Goodwin <david_goodwin@apple.com> | 2009-06-25 23:11:21 +0000 |
|---|---|---|
| committer | David Goodwin <david_goodwin@apple.com> | 2009-06-25 23:11:21 +0000 |
| commit | 0919a916bf152e08617e67f9d4b03db4769076e2 (patch) | |
| tree | b728b2094e3593858244e447fece1dd894905a3f | |
| parent | 27fcfe1364943dadd99fd0ef5af6793f58acc446 (diff) | |
| download | external_llvm-0919a916bf152e08617e67f9d4b03db4769076e2.zip external_llvm-0919a916bf152e08617e67f9d4b03db4769076e2.tar.gz external_llvm-0919a916bf152e08617e67f9d4b03db4769076e2.tar.bz2 | |
Use MVN for ~t2_so_imm immediates.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74223 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrThumb2.td | 3 | ||||
| -rw-r--r-- | test/CodeGen/Thumb2/thumb2-mvn.ll | 27 |
2 files changed, 30 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td index 2b63324..3a44bbd 100644 --- a/lib/Target/ARM/ARMInstrThumb2.td +++ b/lib/Target/ARM/ARMInstrThumb2.td @@ -434,6 +434,9 @@ def : Thumb2Pat<(or GPR:$src, t2_so_imm_not:$imm), defm t2MVN : T2I_un_irs <"mvn", UnOpFrag<(not node:$Src)>, 1, 1>; +def : Thumb2Pat<(t2_so_imm_not:$src), + (t2MVNi t2_so_imm_not:$src)>; + // A8.6.17 BFC - Bitfield clear // FIXME: Also available in ARM mode. let Constraints = "$src = $dst" in diff --git a/test/CodeGen/Thumb2/thumb2-mvn.ll b/test/CodeGen/Thumb2/thumb2-mvn.ll new file mode 100644 index 0000000..967e03f --- /dev/null +++ b/test/CodeGen/Thumb2/thumb2-mvn.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | llc | grep {mvn\\W*r\[0-9\],\\W*#\[0-9\]*} | grep {#187\\|#11141290\\|#3422604288\\|#1114112} | Count 4 + +target triple = "thumbv7-apple-darwin" + +; 0x000000bb = 187 +define i32 @f1(i32 %a) { + %tmp = xor i32 4294967295, 187 + ret i32 %tmp +} + +; 0x00aa00aa = 11141290 +define i32 @f2(i32 %a) { + %tmp = xor i32 4294967295, 11141290 + ret i32 %tmp +} + +; 0xcc00cc00 = 3422604288 +define i32 @f3(i32 %a) { + %tmp = xor i32 4294967295, 3422604288 + ret i32 %tmp +} + +; 0x00110000 = 1114112 +define i32 @f5(i32 %a) { + %tmp = xor i32 4294967295, 1114112 + ret i32 %tmp +} |