[llvm-commits] [llvm] r74223 - in /llvm/trunk: lib/Target/ARM/ARMInstrThumb2.td test/CodeGen/Thumb2/thumb2-mvn.ll

[David Goodwin]

Author: david_goodwin
Date: Thu Jun 25 18:11:21 2009
New Revision: 74223

URL: http://llvm.org/viewvc/llvm-project?rev=74223&view=rev
Log:
Use MVN for ~t2_so_imm immediates.

Added:
    llvm/trunk/test/CodeGen/Thumb2/thumb2-mvn.ll
Modified:
    llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td

Modified: llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td?rev=74223&r1=74222&r2=74223&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td (original)
+++ llvm/trunk/lib/Target/ARM/ARMInstrThumb2.td Thu Jun 25 18:11:21 2009
@@ -434,6 +434,9 @@
 
 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

Added: llvm/trunk/test/CodeGen/Thumb2/thumb2-mvn.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/Thumb2/thumb2-mvn.ll?rev=74223&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/Thumb2/thumb2-mvn.ll (added)
+++ llvm/trunk/test/CodeGen/Thumb2/thumb2-mvn.ll Thu Jun 25 18:11:21 2009
@@ -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
+}