From 3445b0012851460e83ea3f77630011271071c7b3 Mon Sep 17 00:00:00 2001
From: Craig Topper <craig.topper@intel.com>
Date: Sat, 28 Oct 2017 05:52:23 +0000
Subject: [PATCH] [X86] Remove unneeded MVT::i1 related code from fast isel.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316825 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/X86/X86FastISel.cpp | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/lib/Target/X86/X86FastISel.cpp b/lib/Target/X86/X86FastISel.cpp
index 9c81be1622a..32f03998a60 100644
--- a/lib/Target/X86/X86FastISel.cpp
+++ b/lib/Target/X86/X86FastISel.cpp
@@ -3512,16 +3512,6 @@ bool X86FastISel::fastLowerCall(CallLoweringInfo &CLI) {
report_fatal_error("SSE register return with SSE disabled");
}
- // If the return value is an i1 and AVX-512 is enabled, we need
- // to do a fixup to make the copy legal.
- if (CopyVT == MVT::i1 && SrcReg == X86::AL && Subtarget->hasAVX512()) {
- // Need to copy to a GR32 first.
- // TODO: MOVZX isn't great here. We don't care about the upper bits.
- SrcReg = createResultReg(&X86::GR32RegClass);
- BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DbgLoc,
- TII.get(X86::MOVZX32rr8), SrcReg).addReg(X86::AL);
- }
-
// If we prefer to use the value in xmm registers, copy it out as f80 and
// use a truncate to move it from fp stack reg to xmm reg.
if ((SrcReg == X86::FP0 || SrcReg == X86::FP1) &&
--
2.40.0