diff options
Diffstat (limited to 'test/Analysis')
-rw-r--r-- | test/Analysis/Lint/check-zero-divide.ll | 78 | ||||
-rw-r--r-- | test/Analysis/Lint/lit.local.cfg | 1 |
2 files changed, 79 insertions, 0 deletions
diff --git a/test/Analysis/Lint/check-zero-divide.ll b/test/Analysis/Lint/check-zero-divide.ll new file mode 100644 index 0000000..f4e79ed --- /dev/null +++ b/test/Analysis/Lint/check-zero-divide.ll @@ -0,0 +1,78 @@ +; RUN: opt -lint -disable-output %s 2>&1 | FileCheck %s + +define <2 x i32> @use_vector_sdiv(<2 x i32> %a) nounwind { + %b = sdiv <2 x i32> %a, <i32 5, i32 8> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_srem(<2 x i32> %a) nounwind { + %b = srem <2 x i32> %a, <i32 5, i32 8> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_udiv(<2 x i32> %a) nounwind { + %b = udiv <2 x i32> %a, <i32 5, i32 8> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_urem(<2 x i32> %a) nounwind { + %b = urem <2 x i32> %a, <i32 5, i32 8> + ret <2 x i32> %b +} + +define i32 @use_sdiv_by_zero(i32 %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv i32 %a, 0 + %b = sdiv i32 %a, 0 + ret i32 %b +} + +define i32 @use_sdiv_by_zeroinitializer(i32 %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv i32 %a, 0 + %b = sdiv i32 %a, zeroinitializer + ret i32 %b +} + +define <2 x i32> @use_vector_sdiv_by_zero_x(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 0, i32 5> + %b = sdiv <2 x i32> %a, <i32 0, i32 5> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_sdiv_by_zero_y(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 4, i32 0> + %b = sdiv <2 x i32> %a, <i32 4, i32 0> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_sdiv_by_zero_xy(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, zeroinitializer + %b = sdiv <2 x i32> %a, <i32 0, i32 0> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_sdiv_by_undef_x(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 undef, i32 5> + %b = sdiv <2 x i32> %a, <i32 undef, i32 5> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_sdiv_by_undef_y(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, <i32 5, i32 undef> + %b = sdiv <2 x i32> %a, <i32 5, i32 undef> + ret <2 x i32> %b +} + +define <2 x i32> @use_vector_sdiv_by_undef_xy(<2 x i32> %a) nounwind { +; CHECK: Undefined behavior: Division by zero +; CHECK-NEXT: %b = sdiv <2 x i32> %a, undef + %b = sdiv <2 x i32> %a, <i32 undef, i32 undef> + ret <2 x i32> %b +} + diff --git a/test/Analysis/Lint/lit.local.cfg b/test/Analysis/Lint/lit.local.cfg new file mode 100644 index 0000000..c6106e4 --- /dev/null +++ b/test/Analysis/Lint/lit.local.cfg @@ -0,0 +1 @@ +config.suffixes = ['.ll'] |