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| author | Duncan Sands <baldrick@free.fr> | 2009-02-01 18:06:53 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2009-02-01 18:06:53 +0000 |
| commit | b0d5cdd52e8448f769cd71aaee6a4b8592dc08b1 (patch) | |
| tree | 7a0189db8f4dd16bcf86da71718afa2515dd3e19 /test/CodeGen/X86 | |
| parent | fc4b677cd526f1f6a3d6487782557af99fbf6c32 (diff) | |
| download | external_llvm-b0d5cdd52e8448f769cd71aaee6a4b8592dc08b1.zip external_llvm-b0d5cdd52e8448f769cd71aaee6a4b8592dc08b1.tar.gz external_llvm-b0d5cdd52e8448f769cd71aaee6a4b8592dc08b1.tar.bz2 | |
Fix PR3453 and probably a bunch of other potential
crashes or wrong code with codegen of large integers:
eliminate the legacy getIntegerVTBitMask and
getIntegerVTSignBit methods, which returned their
value as a uint64_t, so couldn't handle huge types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63494 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/X86')
| -rw-r--r-- | test/CodeGen/X86/2009-02-01-LargeMask.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2009-02-01-LargeMask.ll b/test/CodeGen/X86/2009-02-01-LargeMask.ll new file mode 100644 index 0000000..f2a964f --- /dev/null +++ b/test/CodeGen/X86/2009-02-01-LargeMask.ll @@ -0,0 +1,32 @@ +; RUN: llvm-as < %s | llc -march=x86 +; PR3453 + +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:32:32" +target triple = "i386-pc-linux-gnu" + %struct.cl_engine = type { i32, i16, i32, i8**, i8**, i8*, i8*, i8*, i8*, i8*, i8*, i8* } + %struct.cl_limits = type { i32, i32, i32, i32, i16, i32 } + %struct.cli_ac_alt = type { i8, i8*, i16, i16, %struct.cli_ac_alt* } + %struct.cli_ac_node = type { i8, i8, %struct.cli_ac_patt*, %struct.cli_ac_node**, %struct.cli_ac_node* } + %struct.cli_ac_patt = type { i16*, i16*, i16, i16, i8, i32, i32, i8*, i8*, i32, i16, i16, i16, i16, %struct.cli_ac_alt**, i8, i16, %struct.cli_ac_patt*, %struct.cli_ac_patt* } + %struct.cli_bm_patt = type { i8*, i8*, i16, i16, i8*, i8*, i8, %struct.cli_bm_patt*, i16 } + %struct.cli_ctx = type { i8**, i32*, %struct.cli_matcher*, %struct.cl_engine*, %struct.cl_limits*, i32, i32, i32, i32, %struct.cli_dconf* } + %struct.cli_dconf = type { i32, i32, i32, i32, i32, i32, i32 } + %struct.cli_matcher = type { i16, i8, i8*, %struct.cli_bm_patt**, i32*, i32, i8, i8, %struct.cli_ac_node*, %struct.cli_ac_node**, %struct.cli_ac_patt**, i32, i32, i32 } + +define fastcc i32 @cli_scanautoit(i32 %desc, %struct.cli_ctx* %ctx, i32 %offset) nounwind { +entry: + br i1 false, label %bb.i49.i72, label %bb14 + +bb.i49.i72: ; preds = %bb.i49.i72, %entry + %UNP.i1482.0 = phi i288 [ %.ins659, %bb.i49.i72 ], [ undef, %entry ] ; <i288> [#uses=1] + %0 = load i32* null, align 4 ; <i32> [#uses=1] + %1 = xor i32 %0, 17834 ; <i32> [#uses=1] + %2 = zext i32 %1 to i288 ; <i288> [#uses=1] + %3 = shl i288 %2, 160 ; <i288> [#uses=1] + %UNP.i1482.in658.mask = and i288 %UNP.i1482.0, -6277101733925179126504886505003981583386072424808101969921 ; <i288> [#uses=1] + %.ins659 = or i288 %3, %UNP.i1482.in658.mask ; <i288> [#uses=1] + br label %bb.i49.i72 + +bb14: ; preds = %entry + ret i32 -123 +} |