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| author | Dan Gohman <gohman@apple.com> | 2009-01-03 19:22:06 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-01-03 19:22:06 +0000 |
| commit | b9fa1d24f89d0c34e77dd855797017185ab9ba8d (patch) | |
| tree | 17d230a508322752e46621b45b230a66344a2e07 /llvm/test | |
| parent | 4d41fdf4cabc01dddcb36cd420d83debf90460e3 (diff) | |
| download | bcm5719-llvm-b9fa1d24f89d0c34e77dd855797017185ab9ba8d.tar.gz bcm5719-llvm-b9fa1d24f89d0c34e77dd855797017185ab9ba8d.zip | |
Fix a DAGCombiner abort on an invalid shift count constant. This fixes PR3250.
llvm-svn: 61613
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/CodeGen/X86/pr3250.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/pr3250.ll b/llvm/test/CodeGen/X86/pr3250.ll new file mode 100644 index 00000000000..dce154f1855 --- /dev/null +++ b/llvm/test/CodeGen/X86/pr3250.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llc -march=x86 +; PR3250 + +declare i32 @safe_sub_func_short_u_u(i16 signext, i16 signext) nounwind + +define i32 @func_106(i32 %p_107) nounwind { +entry: + %0 = tail call i32 (...)* @safe_div_(i32 %p_107, i32 1) nounwind + ; <i32> [#uses=1] + %1 = lshr i32 %0, -9 ; <i32> [#uses=1] + %2 = trunc i32 %1 to i16 ; <i16> [#uses=1] + %3 = tail call i32 @safe_sub_func_short_u_u(i16 signext 1, i16 signext +%2) nounwind ; <i32> [#uses=0] + ret i32 undef +} + +declare i32 @safe_div_(...) |
