[X86] Remove GetLo8XForm and use GetLo32XForm instead. NFCI
We were using this to create an AND32ri8 node from a 64-bit and, but that node
normally still uses a 32-bit immediate. So we should just truncate the existing
immediate to i32. We already verified it has the same value in bits 31:7.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356868 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrCompiler.td b/lib/Target/X86/X86InstrCompiler.td
index 4c06b17..7aab8f8 100644
--- a/lib/Target/X86/X86InstrCompiler.td
+++ b/lib/Target/X86/X86InstrCompiler.td
@@ -19,11 +19,6 @@
return getI32Imm((uint32_t)N->getZExtValue(), SDLoc(N));
}]>;
-def GetLo8XForm : SDNodeXForm<imm, [{
- // Transformation function: get the low 8 bits.
- return getI8Imm((uint8_t)N->getZExtValue(), SDLoc(N));
-}]>;
-
//===----------------------------------------------------------------------===//
// Random Pseudo Instructions.
@@ -1523,7 +1518,7 @@
(i64 0),
(AND32ri8
(EXTRACT_SUBREG GR64:$src, sub_32bit),
- (i32 (GetLo8XForm imm:$imm))),
+ (i32 (GetLo32XForm imm:$imm))),
sub_32bit)>;
def : Pat<(and GR64:$src, i64immZExt32:$imm),
