Pipehole pattern for i32 imm's

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75965 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/SystemZ/SystemZInstrInfo.td b/lib/Target/SystemZ/SystemZInstrInfo.td
index 1f3822307b1680e27638bd293de0538f77d6fa55..de21759b82e6561db0bc7e8a73b4f8ea88c450bc 100644 (file)
--- a/lib/Target/SystemZ/SystemZInstrInfo.td
+++ b/lib/Target/SystemZ/SystemZInstrInfo.td
@@ -925,3 +925,6 @@ def : Pat<(urem GR64:$src1, GR64:$src2),
                                                         GR64:$src1, subreg_odd),
                                          GR64:$src2),
                           subreg_even)>;
+
+def : Pat<(i32 imm:$src),
+          (EXTRACT_SUBREG (MOV64ri32 (i64 imm:$src)), subreg_32bit)>;