From b08659d2e55562a94a92593cc51f35f2229e65f3 Mon Sep 17 00:00:00 2001
From: Andrew Lenharth <andrewl@lenharth.org>
Date: Sun, 24 Sep 2006 19:42:02 +0000
Subject: [PATCH] basic jump table test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30592 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/CodeGen/Alpha/jmp_table.ll | 98 +++++++++++++++++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 test/CodeGen/Alpha/jmp_table.ll

diff --git a/test/CodeGen/Alpha/jmp_table.ll b/test/CodeGen/Alpha/jmp_table.ll
new file mode 100644
index 00000000000..c6729e1f8ba
--- /dev/null
+++ b/test/CodeGen/Alpha/jmp_table.ll
@@ -0,0 +1,98 @@
+; try to check that we have the most important instructions, which shouldn't appear otherwise
+; RUN: llvm-as < %s | llc -march=alpha | grep 'jmp'
+; RUN: llvm-as < %s | llc -march=alpha | grep 'gprel32'
+; RUN: llvm-as < %s | llc -march=alpha | grep 'ldl'
+
+target endian = little
+target pointersize = 64
+target triple = "alphaev67-unknown-linux-gnu"
+%str = internal constant [2 x sbyte] c"1\00"		; <[2 x sbyte]*> [#uses=1]
+%str1 = internal constant [2 x sbyte] c"2\00"		; <[2 x sbyte]*> [#uses=1]
+%str2 = internal constant [2 x sbyte] c"3\00"		; <[2 x sbyte]*> [#uses=1]
+%str3 = internal constant [2 x sbyte] c"4\00"		; <[2 x sbyte]*> [#uses=1]
+%str4 = internal constant [2 x sbyte] c"5\00"		; <[2 x sbyte]*> [#uses=1]
+%str5 = internal constant [2 x sbyte] c"6\00"		; <[2 x sbyte]*> [#uses=1]
+%str6 = internal constant [2 x sbyte] c"7\00"		; <[2 x sbyte]*> [#uses=1]
+%str7 = internal constant [2 x sbyte] c"8\00"		; <[2 x sbyte]*> [#uses=1]
+
+implementation   ; Functions:
+
+int %main(int %x, sbyte** %y) {
+entry:
+	%x_addr = alloca int		; <int*> [#uses=2]
+	%y_addr = alloca sbyte**		; <sbyte***> [#uses=1]
+	%retval = alloca int, align 4		; <int*> [#uses=2]
+	%tmp = alloca int, align 4		; <int*> [#uses=2]
+	%foo = alloca sbyte*, align 8		; <sbyte**> [#uses=9]
+	"alloca point" = cast int 0 to int		; <int> [#uses=0]
+	store int %x, int* %x_addr
+	store sbyte** %y, sbyte*** %y_addr
+	%tmp = load int* %x_addr		; <int> [#uses=1]
+	switch int %tmp, label %bb15 [
+		 int 1, label %bb
+		 int 2, label %bb1
+		 int 3, label %bb3
+		 int 4, label %bb5
+		 int 5, label %bb7
+		 int 6, label %bb9
+		 int 7, label %bb11
+		 int 8, label %bb13
+	]
+
+bb:		; preds = %entry
+	%tmp = getelementptr [2 x sbyte]* %str, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp, sbyte** %foo
+	br label %bb16
+
+bb1:		; preds = %entry
+	%tmp2 = getelementptr [2 x sbyte]* %str1, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp2, sbyte** %foo
+	br label %bb16
+
+bb3:		; preds = %entry
+	%tmp4 = getelementptr [2 x sbyte]* %str2, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp4, sbyte** %foo
+	br label %bb16
+
+bb5:		; preds = %entry
+	%tmp6 = getelementptr [2 x sbyte]* %str3, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp6, sbyte** %foo
+	br label %bb16
+
+bb7:		; preds = %entry
+	%tmp8 = getelementptr [2 x sbyte]* %str4, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp8, sbyte** %foo
+	br label %bb16
+
+bb9:		; preds = %entry
+	%tmp10 = getelementptr [2 x sbyte]* %str5, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp10, sbyte** %foo
+	br label %bb16
+
+bb11:		; preds = %entry
+	%tmp12 = getelementptr [2 x sbyte]* %str6, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp12, sbyte** %foo
+	br label %bb16
+
+bb13:		; preds = %entry
+	%tmp14 = getelementptr [2 x sbyte]* %str7, int 0, ulong 0		; <sbyte*> [#uses=1]
+	store sbyte* %tmp14, sbyte** %foo
+	br label %bb16
+
+bb15:		; preds = %entry
+	br label %bb16
+
+bb16:		; preds = %bb15, %bb13, %bb11, %bb9, %bb7, %bb5, %bb3, %bb1, %bb
+	%tmp17 = load sbyte** %foo		; <sbyte*> [#uses=1]
+	%tmp18 = call int (...)* %print( sbyte* %tmp17 )		; <int> [#uses=0]
+	store int 0, int* %tmp
+	%tmp19 = load int* %tmp		; <int> [#uses=1]
+	store int %tmp19, int* %retval
+	br label %return
+
+return:		; preds = %bb16
+	%retval = load int* %retval		; <int> [#uses=1]
+	ret int %retval
+}
+
+declare int %print(...)