Add a testcase for svn r100568.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100876 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/ARM/2010-04-09-NeonSelect.ll b/test/CodeGen/ARM/2010-04-09-NeonSelect.ll
new file mode 100644 (file)
index 0000000..71e0b0a
--- /dev/null
+++ b/test/CodeGen/ARM/2010-04-09-NeonSelect.ll
@@ -0,0 +1,23 @@
+; RUN: llc -march=arm -mattr=+neon < %s
+; Radar 7770501: Don't crash on SELECT and SELECT_CC with NEON vector values.
+
+define arm_apcscc void @vDSP_FFT16_copv(float* nocapture %O, float* nocapture %I, i32 %Direction) nounwind {
+entry:
+  %.22 = select i1 undef, <4 x float> undef, <4 x float> zeroinitializer ; <<4 x float>> [#uses=1]
+  %0 = fadd <4 x float> undef, %.22               ; <<4 x float>> [#uses=1]
+  %1 = fsub <4 x float> %0, undef                 ; <<4 x float>> [#uses=1]
+  %2 = shufflevector <4 x float> %1, <4 x float> undef, <4 x i32> <i32 2, i32 6, i32 3, i32 7> ; <<4 x float>> [#uses=1]
+  %3 = shufflevector <4 x float> undef, <4 x float> %2, <4 x i32> <i32 2, i32 3, i32 6, i32 7> ; <<4 x float>> [#uses=1]
+  %4 = fmul <4 x float> %3, <float 0.000000e+00, float 0x3FED906BC0000000, float 0x3FE6A09E60000000, float 0xBFD87DE2A0000000> ; <<4 x float>> [#uses=1]
+  %5 = fadd <4 x float> undef, %4                 ; <<4 x float>> [#uses=1]
+  %6 = fadd <4 x float> undef, %5                 ; <<4 x float>> [#uses=1]
+  %7 = fadd <4 x float> undef, %6                 ; <<4 x float>> [#uses=1]
+  br i1 undef, label %bb4, label %bb3
+
+bb3:                                              ; preds = %entry
+  %8 = shufflevector <4 x float> undef, <4 x float> %7, <4 x i32> <i32 2, i32 6, i32 3, i32 7> ; <<4 x float>> [#uses=0]
+  ret void
+
+bb4:                                              ; preds = %entry
+  ret void
+}