[Hexagon] Add more lit tests

llvm-svn: 327271
diff --git a/llvm/test/CodeGen/Hexagon/save-kill-csr.ll b/llvm/test/CodeGen/Hexagon/save-kill-csr.ll
new file mode 100644
index 0000000..6a398e9
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/save-kill-csr.ll
@@ -0,0 +1,95 @@
+; RUN: llc -march=hexagon < %s
+; REQUIRES: asserts
+
+target triple = "hexagon"
+
+%s.0 = type { i8, i8, i8, i8 }
+%s.1 = type { %s.2 }
+%s.2 = type { %s.3 }
+%s.3 = type { i32 (...)** }
+%s.4 = type { i8, i8, i16, i8 }
+%s.5 = type { i8, %s.0* }
+
+@g0 = external hidden global [3 x %s.0], align 8
+@g1 = external hidden global [3 x %s.0], align 8
+@g2 = external hidden global [3 x %s.0], align 8
+@g3 = external hidden global [3 x %s.0], align 8
+@g4 = external hidden global [3 x %s.0], align 8
+@g5 = external hidden global [3 x %s.0], align 8
+@g6 = external hidden global [4 x %s.0], align 8
+@g7 = external hidden global [3 x %s.0], align 8
+@g8 = external hidden global [3 x %s.0], align 8
+@g9 = external hidden global [3 x %s.0], align 8
+@g10 = external hidden global [4 x %s.0], align 8
+@g11 = external hidden global [3 x %s.0], align 8
+@g12 = external hidden global [3 x %s.0], align 8
+@g13 = external hidden global [4 x %s.0], align 8
+@g14 = external hidden global [3 x %s.0], align 8
+@g15 = external hidden global [3 x %s.0], align 8
+@g16 = external hidden global [3 x %s.0], align 8
+@g17 = external hidden global [4 x %s.0], align 8
+@g18 = external hidden global [3 x %s.0], align 8
+
+; Function Attrs: norecurse nounwind optsize ssp
+define hidden zeroext i8 @f0(%s.1* nocapture readnone %a0, %s.4* readonly %a1, %s.5* %a2, i32 %a3) unnamed_addr #0 align 2 {
+b0:
+  br i1 undef, label %b4, label %b1
+
+b1:                                               ; preds = %b0
+  %v0 = icmp eq i32 %a3, 1
+  %v1 = select i1 %v0, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g18, i32 0, i32 0), %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g0, i32 0, i32 0)
+  %v2 = icmp eq i32 %a3, 2
+  %v3 = select i1 %v2, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g16, i32 0, i32 0), %s.0* %v1
+  %v4 = icmp eq i32 %a3, 3
+  %v5 = select i1 %v4, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g15, i32 0, i32 0), %s.0* %v3
+  %v6 = icmp eq i32 %a3, 4
+  %v7 = select i1 %v6, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g14, i32 0, i32 0), %s.0* %v5
+  %v8 = icmp eq i32 %a3, 5
+  %v9 = select i1 %v8, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g12, i32 0, i32 0), %s.0* %v7
+  %v10 = icmp eq i32 %a3, 6
+  %v11 = select i1 %v10, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g11, i32 0, i32 0), %s.0* %v9
+  %v12 = icmp eq i32 %a3, 7
+  %v13 = select i1 %v12, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g9, i32 0, i32 0), %s.0* %v11
+  %v14 = icmp eq i32 %a3, 8
+  %v15 = select i1 %v14, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g8, i32 0, i32 0), %s.0* %v13
+  %v16 = icmp eq i32 %a3, 9
+  %v17 = select i1 %v16, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g7, i32 0, i32 0), %s.0* %v15
+  %v18 = icmp eq i32 %a3, 10
+  %v19 = select i1 %v18, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g5, i32 0, i32 0), %s.0* %v17
+  %v20 = icmp eq i32 %a3, 11
+  %v21 = select i1 %v20, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g4, i32 0, i32 0), %s.0* %v19
+  %v22 = icmp eq i32 %a3, 12
+  %v23 = select i1 %v22, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g3, i32 0, i32 0), %s.0* %v21
+  %v24 = icmp eq i32 %a3, 13
+  %v25 = select i1 %v24, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g2, i32 0, i32 0), %s.0* %v23
+  %v26 = select i1 undef, %s.0* getelementptr inbounds ([3 x %s.0], [3 x %s.0]* @g1, i32 0, i32 0), %s.0* %v25
+  %v27 = select i1 undef, %s.0* getelementptr inbounds ([4 x %s.0], [4 x %s.0]* @g17, i32 0, i32 0), %s.0* %v26
+  %v28 = icmp eq i32 %a3, 16
+  %v29 = select i1 %v28, %s.0* getelementptr inbounds ([4 x %s.0], [4 x %s.0]* @g13, i32 0, i32 0), %s.0* %v27
+  %v30 = icmp eq i32 %a3, 17
+  %v31 = select i1 %v30, %s.0* null, %s.0* %v29
+  %v32 = select i1 undef, %s.0* getelementptr inbounds ([4 x %s.0], [4 x %s.0]* @g10, i32 0, i32 0), %s.0* %v31
+  %v33 = select i1 undef, %s.0* getelementptr inbounds ([4 x %s.0], [4 x %s.0]* @g6, i32 0, i32 0), %s.0* %v32
+  %v34 = add i32 %a3, -15
+  %v35 = icmp ult i32 %v34, 2
+  %v36 = select i1 %v35, i8 4, i8 3
+  %v37 = select i1 undef, i8 0, i8 %v36
+  %v38 = select i1 undef, i8 4, i8 %v37
+  br i1 undef, label %b2, label %b3
+
+b2:                                               ; preds = %b3, %b1
+  %v39 = phi %s.0* [ undef, %b3 ], [ %v33, %b1 ]
+  %v40 = phi i8 [ undef, %b3 ], [ %v38, %b1 ]
+  %v41 = getelementptr inbounds %s.5, %s.5* %a2, i32 0, i32 1
+  store %s.0* %v39, %s.0** %v41, align 4
+  store i8 %v40, i8* undef, align 4
+  br label %b4
+
+b3:                                               ; preds = %b1
+  br label %b2
+
+b4:                                               ; preds = %b2, %b0
+  ret i8 undef
+}
+
+attributes #0 = { norecurse nounwind optsize ssp "target-cpu"="hexagonv55" }