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Diffstat (limited to 'test/Transforms/InstSimplify/compare.ll')
| -rw-r--r-- | test/Transforms/InstSimplify/compare.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/InstSimplify/compare.ll b/test/Transforms/InstSimplify/compare.ll index 0ecfb1f8d2..b764c761cf 100644 --- a/test/Transforms/InstSimplify/compare.ll +++ b/test/Transforms/InstSimplify/compare.ll @@ -682,3 +682,14 @@ define zeroext i1 @external_compare(i32* noalias %x) { ; CHECK: external_compare ; CHECK: ret i1 %cmp } + +define i1 @alloca_gep(i64 %a, i64 %b) { +; CHECK: @alloca_gep +; We can prove this GEP is non-null because it is inbounds and the pointer +; is non-null. + %strs = alloca [1000 x [1001 x i8]], align 16 + %x = getelementptr inbounds [1000 x [1001 x i8]]* %strs, i64 0, i64 %a, i64 %b + %cmp = icmp eq i8* %x, null + ret i1 %cmp +; CHECK-NEXT: ret i1 false +} |