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| author | Chris Lattner <sabre@nondot.org> | 2006-10-05 03:12:36 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-10-05 03:12:36 +0000 |
| commit | 460b8bd15457469ecd62b581a275d2101648d0fb (patch) | |
| tree | a3a9f96ddb0186699b65cf3b7b4259afdc7dc01b /test/CodeGen/X86/pic_jumptable.ll | |
| parent | 1da31ee472b9615d7329c656e2cc17c419ed7c95 (diff) | |
| download | llvm-460b8bd15457469ecd62b581a275d2101648d0fb.tar.gz llvm-460b8bd15457469ecd62b581a275d2101648d0fb.tar.bz2 llvm-460b8bd15457469ecd62b581a275d2101648d0fb.tar.xz | |
Verify that jump tables are emitted to the same section as the function is,
when codegen'ing in pic mode. This fixes a miscompilation of a switch stmt
in a template, as the template goes to a non-.text section.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30743 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86/pic_jumptable.ll')
| -rw-r--r-- | test/CodeGen/X86/pic_jumptable.ll | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/test/CodeGen/X86/pic_jumptable.ll b/test/CodeGen/X86/pic_jumptable.ll new file mode 100644 index 0000000000..affc933af1 --- /dev/null +++ b/test/CodeGen/X86/pic_jumptable.ll @@ -0,0 +1,79 @@ +; RUN: llvm-as < %s | llc -relocation-model=pic -march=x86 | not grep -F .text +target endian = little +target pointersize = 32 +target triple = "i386-linux-gnu" + +implementation ; Functions: + +declare void %_Z3bari( int ) + +linkonce void %_Z3fooILi1EEvi(int %Y) { +entry: + %Y_addr = alloca int ; <int*> [#uses=2] + "alloca point" = cast int 0 to int ; <int> [#uses=0] + store int %Y, int* %Y_addr + %tmp = load int* %Y_addr ; <int> [#uses=1] + switch int %tmp, label %bb10 [ + int 0, label %bb3 + int 1, label %bb + int 2, label %bb + int 3, label %bb + int 4, label %bb + int 5, label %bb + int 6, label %bb + int 7, label %bb + int 8, label %bb + int 9, label %bb + int 10, label %bb + int 12, label %bb1 + int 13, label %bb5 + int 14, label %bb6 + int 16, label %bb2 + int 17, label %bb4 + int 23, label %bb8 + int 27, label %bb7 + int 34, label %bb9 + ] + +bb: ; preds = %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry, %entry + br label %bb1 + +bb1: ; preds = %bb, %entry + br label %bb2 + +bb2: ; preds = %bb1, %entry + call void %_Z3bari( int 1 ) + br label %bb11 + +bb3: ; preds = %entry + br label %bb4 + +bb4: ; preds = %bb3, %entry + br label %bb5 + +bb5: ; preds = %bb4, %entry + br label %bb6 + +bb6: ; preds = %bb5, %entry + call void %_Z3bari( int 2 ) + br label %bb11 + +bb7: ; preds = %entry + br label %bb8 + +bb8: ; preds = %bb7, %entry + br label %bb9 + +bb9: ; preds = %bb8, %entry + call void %_Z3bari( int 3 ) + br label %bb11 + +bb10: ; preds = %entry + br label %bb11 + +bb11: ; preds = %bb10, %bb9, %bb6, %bb2 + br label %return + +return: ; preds = %bb11 + ret void +} |