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authorMichael J. Spencer <bigcheesegs@gmail.com>2010-08-24 21:04:52 +0000
committerMichael J. Spencer <bigcheesegs@gmail.com>2010-08-24 21:04:52 +0000
commit82c84fdd23669d23c02a07498c83b83702979829 (patch)
tree245805e02b15f9a5b662ec25729dbf557698f373 /test/MC/COFF/switch-relocations.ll
parent3e242f86ebe6105ceb855d6640d2c49ca7c7ded2 (diff)
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Fix COFF x86-64 relocations. PR7960.
Multiple symbol reloc handling part of the patch by Cameron Esfahani. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111963 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/MC/COFF/switch-relocations.ll')
-rw-r--r--test/MC/COFF/switch-relocations.ll34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/MC/COFF/switch-relocations.ll b/test/MC/COFF/switch-relocations.ll
new file mode 100644
index 0000000000..300c10732e
--- /dev/null
+++ b/test/MC/COFF/switch-relocations.ll
@@ -0,0 +1,34 @@
+; The purpose of this test is to see if the COFF object writer can properly
+; relax the fixups that are created for jump tables on x86-64. See PR7960.
+
+; This test case was reduced from Lua/lapi.c.
+
+; RUN: llc -filetype=obj -mtriple i686-pc-win32 %s -o %t
+; RUN: llc -filetype=obj -mtriple x86_64-pc-win32 %s -o %t
+
+define void @lua_gc(i32 %what) nounwind {
+entry:
+ switch i32 %what, label %sw.epilog [
+ i32 0, label %sw.bb
+ i32 1, label %sw.bb
+ i32 2, label %sw.bb
+ i32 3, label %sw.bb14
+ i32 4, label %sw.bb18
+ i32 6, label %sw.bb57
+ ]
+
+sw.bb: ; preds = %entry, %entry, %entry
+ ret void
+
+sw.bb14: ; preds = %entry
+ ret void
+
+sw.bb18: ; preds = %entry
+ ret void
+
+sw.bb57: ; preds = %entry
+ ret void
+
+sw.epilog: ; preds = %entry
+ ret void
+}