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D65244.diff
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Thu, Nov 14, 4:07 AM

D65244.diff

Index: llvm/trunk/lib/Target/AArch64/AArch64LegalizerInfo.cpp
===================================================================
--- llvm/trunk/lib/Target/AArch64/AArch64LegalizerInfo.cpp
+++ llvm/trunk/lib/Target/AArch64/AArch64LegalizerInfo.cpp
@@ -52,6 +52,12 @@
const LLT v2s64 = LLT::vector(2, 64);
const LLT v2p0 = LLT::vector(2, p0);
+ // FIXME: support subtargets which have neon/fp-armv8 disabled.
+ if (!ST.hasNEON() || !ST.hasFPARMv8()) {
+ computeTables();
+ return;
+ }
+
getActionDefinitionsBuilder(G_IMPLICIT_DEF)
.legalFor({p0, s1, s8, s16, s32, s64, v4s32, v2s64})
.clampScalar(0, s1, s64)
Index: llvm/trunk/test/CodeGen/AArch64/GlobalISel/no-neon-no-fp.ll
===================================================================
--- llvm/trunk/test/CodeGen/AArch64/GlobalISel/no-neon-no-fp.ll
+++ llvm/trunk/test/CodeGen/AArch64/GlobalISel/no-neon-no-fp.ll
@@ -0,0 +1,13 @@
+; RUN: not llc -o - -verify-machineinstrs -global-isel -global-isel-abort=1 -stop-after=legalizer %s 2>&1 | FileCheck %s
+target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128"
+target triple = "aarch64-unknown-unknown"
+
+; CHECK: unable to legalize instruction: G_STORE %1:_(s128), %0:_(p0) :: (store 16 into %ir.ptr) (in function: foo)
+define void @foo(i128 *%ptr) #0 align 2 {
+entry:
+ store i128 0, i128* %ptr, align 16
+ ret void
+}
+
+attributes #0 = { "use-soft-float"="false" "target-features"="-fp-armv8,-neon" }
+

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