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| author | Chris Lattner <sabre@nondot.org> | 2009-10-17 21:53:27 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2009-10-17 21:53:27 +0000 |
| commit | f67d297eda3dc175f589a31c603e77a582cfa44e (patch) | |
| tree | 454c0b31c5d355696f5fee2b52532b8e5b2f040d /llvm/test/Transforms/ConstProp/constant-expr.ll | |
| parent | 6f463f9ad407c5eff0ff5977565d010958263c15 (diff) | |
| download | bcm5719-llvm-f67d297eda3dc175f589a31c603e77a582cfa44e.tar.gz bcm5719-llvm-f67d297eda3dc175f589a31c603e77a582cfa44e.zip | |
Teach vm core to more aggressively fold 'trunc' constantexprs,
allowing it to simplify the crazy constantexprs in the testcases
down to something sensible. This allows -std-compile-opts to
completely "devirtualize" the pointers to member functions in
the testcase from PR5176.
llvm-svn: 84368
Diffstat (limited to 'llvm/test/Transforms/ConstProp/constant-expr.ll')
| -rw-r--r-- | llvm/test/Transforms/ConstProp/constant-expr.ll | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/llvm/test/Transforms/ConstProp/constant-expr.ll b/llvm/test/Transforms/ConstProp/constant-expr.ll index 89c1d926bd2..eece37fa69d 100644 --- a/llvm/test/Transforms/ConstProp/constant-expr.ll +++ b/llvm/test/Transforms/ConstProp/constant-expr.ll @@ -40,3 +40,21 @@ @O = global i1 icmp eq (i32 zext (i1 icmp ult (i8* @X, i8* @Y) to i32), i32 0) ; CHECK: @O = global i1 icmp uge (i8* @X, i8* @Y) + + +; PR5176 + +; CHECK: @T1 = global i1 true +@T1 = global i1 icmp eq (i64 and (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 1), i64 0) + +; CHECK: @T2 = global i1* @B +@T2 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 192)), i256 128) to i64)) to i1*) + +; CHECK: @T3 = global i64 add (i64 ptrtoint (i1* @B to i64), i64 -1) +@T3 = global i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64), i64 -1) + +; CHECK: @T4 = global i1* @B +@T4 = global i1* inttoptr (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 64) to i64) to i1*) + +; CHECK: @T5 = global i1* @A +@T5 = global i1* inttoptr (i64 add (i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 192) to i64), i64 trunc (i256 lshr (i256 or (i256 and (i256 and (i256 shl (i256 zext (i64 ptrtoint (i1* @B to i64) to i256), i256 64), i256 -6277101735386680763495507056286727952638980837032266301441), i256 6277101735386680763835789423207666416102355444464034512895), i256 shl (i256 zext (i64 ptrtoint (i1* @A to i64) to i256), i256 192)), i256 128) to i64)) to i1*)
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