Do not assert on too wide splats we don't support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80409 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 8f27a3e..12d7b2e 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -2468,10 +2468,12 @@
unsigned SplatBitSize;
bool HasAnyUndefs;
if (BVN->isConstantSplat(SplatBits, SplatUndef, SplatBitSize, HasAnyUndefs)) {
- SDValue Val = isVMOVSplat(SplatBits.getZExtValue(),
- SplatUndef.getZExtValue(), SplatBitSize, DAG);
- if (Val.getNode())
- return BuildSplat(Val, VT, DAG, dl);
+ if (SplatBitSize <= 64) {
+ SDValue Val = isVMOVSplat(SplatBits.getZExtValue(),
+ SplatUndef.getZExtValue(), SplatBitSize, DAG);
+ if (Val.getNode())
+ return BuildSplat(Val, VT, DAG, dl);
+ }
}
// If there are only 2 elements in a 128-bit vector, insert them into an
diff --git a/test/CodeGen/ARM/2009-08-29-TooLongSplat.ll b/test/CodeGen/ARM/2009-08-29-TooLongSplat.ll
new file mode 100644
index 0000000..3b1413b
--- /dev/null
+++ b/test/CodeGen/ARM/2009-08-29-TooLongSplat.ll
@@ -0,0 +1,23 @@
+; RUN: llvm-as < %s | llc -mattr=+neon
+target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:64:64-v128:128:128-a0:0:32"
+target triple = "thumbv7-elf"
+
+define arm_apcscc void @aaa() nounwind {
+entry:
+ %0 = fmul <4 x float> undef, <float 1.000000e+00, float 1.000000e+01, float 1.000000e+02, float 0x3EB0C6F7A0000000> ; <<4 x float>> [#uses=1]
+ %tmp31 = extractelement <4 x float> %0, i32 0 ; <float> [#uses=1]
+ %1 = fpext float %tmp31 to double ; <double> [#uses=1]
+ %2 = fsub double 1.000000e+00, %1 ; <double> [#uses=1]
+ %3 = fdiv double %2, 1.000000e+00 ; <double> [#uses=1]
+ %4 = tail call double @fabs(double %3) nounwind readnone ; <double> [#uses=1]
+ %5 = fcmp ogt double %4, 1.000000e-05 ; <i1> [#uses=1]
+ br i1 %5, label %bb, label %bb7
+
+bb: ; preds = %entry
+ unreachable
+
+bb7: ; preds = %entry
+ unreachable
+}
+
+declare double @fabs(double)