diff options
Diffstat (limited to 'llvm/test/Regression/Analysis/DSGraph/strcpy.ll')
| -rw-r--r-- | llvm/test/Regression/Analysis/DSGraph/strcpy.ll | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/llvm/test/Regression/Analysis/DSGraph/strcpy.ll b/llvm/test/Regression/Analysis/DSGraph/strcpy.ll deleted file mode 100644 index 20c2da802d8..00000000000 --- a/llvm/test/Regression/Analysis/DSGraph/strcpy.ll +++ /dev/null @@ -1,34 +0,0 @@ -; We know that strcpy cannot be used to copy pointer values, because -; pointers might contain null bytes and would stop the copy. The code -; has no defined way to check for this, so DSA can know that strcpy doesn't -; require merging the input arguments. - -; RUN: llvm-upgrade < %s | llvm-as | opt -analyze -datastructure-gc --dsgc-abort-if-merged=A,B --dsgc-check-flags=A:ASM,B:ASR --dsgc-dspass=bu - -implementation - -internal void %strcpy(sbyte* %s1, sbyte* %s2) { -entry: - br label %loopentry - -loopentry: ; preds = %entry, %loopentry - %cann-indvar = phi uint [ 0, %entry ], [ %next-indvar, %loopentry ] ; <uint> [#uses=2] - %cann-indvar1 = cast uint %cann-indvar to long ; <long> [#uses=2] - %s1_addr.0 = getelementptr sbyte* %s1, long %cann-indvar1 ; <sbyte*> [#uses=1] - %s2_addr.0 = getelementptr sbyte* %s2, long %cann-indvar1 ; <sbyte*> [#uses=1] - %next-indvar = add uint %cann-indvar, 1 ; <uint> [#uses=1] - %tmp.3 = load sbyte* %s2_addr.0 ; <sbyte> [#uses=2] - store sbyte %tmp.3, sbyte* %s1_addr.0 - %tmp.4 = setne sbyte %tmp.3, 0 ; <bool> [#uses=1] - br bool %tmp.4, label %loopentry, label %loopexit - -loopexit: ; preds = %loopentry - ret void -} - -int %main() { - %A = alloca sbyte - %B = alloca sbyte - call void %strcpy(sbyte* %A, sbyte* %B) - ret int 0 -} |

