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Diffstat (limited to 'test/CodeGen/Alpha/jmp_table.ll')
| -rw-r--r-- | test/CodeGen/Alpha/jmp_table.ll | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/CodeGen/Alpha/jmp_table.ll b/test/CodeGen/Alpha/jmp_table.ll new file mode 100644 index 0000000000000..d7b61163e7b80 --- /dev/null +++ b/test/CodeGen/Alpha/jmp_table.ll @@ -0,0 +1,99 @@ +; 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 +; RUN: llvm-as < %s | llc -march=alpha | grep rodata +; END. + +target datalayout = "e-p:64:64" +target triple = "alphaev67-unknown-linux-gnu" +@str = internal constant [2 x i8] c"1\00" ; <[2 x i8]*> [#uses=1] +@str1 = internal constant [2 x i8] c"2\00" ; <[2 x i8]*> [#uses=1] +@str2 = internal constant [2 x i8] c"3\00" ; <[2 x i8]*> [#uses=1] +@str3 = internal constant [2 x i8] c"4\00" ; <[2 x i8]*> [#uses=1] +@str4 = internal constant [2 x i8] c"5\00" ; <[2 x i8]*> [#uses=1] +@str5 = internal constant [2 x i8] c"6\00" ; <[2 x i8]*> [#uses=1] +@str6 = internal constant [2 x i8] c"7\00" ; <[2 x i8]*> [#uses=1] +@str7 = internal constant [2 x i8] c"8\00" ; <[2 x i8]*> [#uses=1] + +define i32 @main(i32 %x, i8** %y) { +entry: + %x_addr = alloca i32 ; <i32*> [#uses=2] + %y_addr = alloca i8** ; <i8***> [#uses=1] + %retval = alloca i32, align 4 ; <i32*> [#uses=2] + %tmp = alloca i32, align 4 ; <i32*> [#uses=2] + %foo = alloca i8*, align 8 ; <i8**> [#uses=9] + %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0] + store i32 %x, i32* %x_addr + store i8** %y, i8*** %y_addr + %tmp.upgrd.1 = load i32* %x_addr ; <i32> [#uses=1] + switch i32 %tmp.upgrd.1, label %bb15 [ + i32 1, label %bb + i32 2, label %bb1 + i32 3, label %bb3 + i32 4, label %bb5 + i32 5, label %bb7 + i32 6, label %bb9 + i32 7, label %bb11 + i32 8, label %bb13 + ] + +bb: ; preds = %entry + %tmp.upgrd.2 = getelementptr [2 x i8]* @str, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp.upgrd.2, i8** %foo + br label %bb16 + +bb1: ; preds = %entry + %tmp2 = getelementptr [2 x i8]* @str1, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp2, i8** %foo + br label %bb16 + +bb3: ; preds = %entry + %tmp4 = getelementptr [2 x i8]* @str2, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp4, i8** %foo + br label %bb16 + +bb5: ; preds = %entry + %tmp6 = getelementptr [2 x i8]* @str3, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp6, i8** %foo + br label %bb16 + +bb7: ; preds = %entry + %tmp8 = getelementptr [2 x i8]* @str4, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp8, i8** %foo + br label %bb16 + +bb9: ; preds = %entry + %tmp10 = getelementptr [2 x i8]* @str5, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp10, i8** %foo + br label %bb16 + +bb11: ; preds = %entry + %tmp12 = getelementptr [2 x i8]* @str6, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp12, i8** %foo + br label %bb16 + +bb13: ; preds = %entry + %tmp14 = getelementptr [2 x i8]* @str7, i32 0, i64 0 ; <i8*> [#uses=1] + store i8* %tmp14, i8** %foo + br label %bb16 + +bb15: ; preds = %entry + br label %bb16 + +bb16: ; preds = %bb15, %bb13, %bb11, %bb9, %bb7, %bb5, %bb3, %bb1, %bb + %tmp17 = load i8** %foo ; <i8*> [#uses=1] + %tmp18 = call i32 (...)* @print( i8* %tmp17 ) ; <i32> [#uses=0] + store i32 0, i32* %tmp + %tmp19 = load i32* %tmp ; <i32> [#uses=1] + store i32 %tmp19, i32* %retval + br label %return + +return: ; preds = %bb16 + %retval.upgrd.3 = load i32* %retval ; <i32> [#uses=1] + ret i32 %retval.upgrd.3 +} + +declare i32 @print(...) + |