diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/signed-comparison.ll')
-rw-r--r-- | llvm/test/Transforms/InstCombine/signed-comparison.ll | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/llvm/test/Transforms/InstCombine/signed-comparison.ll b/llvm/test/Transforms/InstCombine/signed-comparison.ll index 17dd0dba8a3..5092ce713b7 100644 --- a/llvm/test/Transforms/InstCombine/signed-comparison.ll +++ b/llvm/test/Transforms/InstCombine/signed-comparison.ll @@ -3,8 +3,8 @@ ; Convert the zext+slt into a simple ult. -define i1 @foo(i16 %t4) { -; CHECK-LABEL: @foo( +define i1 @scalar_zext_slt(i16 %t4) { +; CHECK-LABEL: @scalar_zext_slt( ; CHECK-NEXT: [[T6:%.*]] = icmp ult i16 %t4, 500 ; CHECK-NEXT: ret i1 [[T6]] ; @@ -12,3 +12,17 @@ define i1 @foo(i16 %t4) { %t6 = icmp slt i32 %t5, 500 ret i1 %t6 } + +; FIXME: Vector compare should work the same as scalar. + +define <4 x i1> @vector_zext_slt(<4 x i16> %t4) { +; CHECK-LABEL: @vector_zext_slt( +; CHECK-NEXT: [[T5:%.*]] = zext <4 x i16> %t4 to <4 x i32> +; CHECK-NEXT: [[T6:%.*]] = icmp ult <4 x i32> [[T5]], <i32 500, i32 0, i32 501, i32 65535> +; CHECK-NEXT: ret <4 x i1> [[T6]] +; + %t5 = zext <4 x i16> %t4 to <4 x i32> + %t6 = icmp slt <4 x i32> %t5, <i32 500, i32 0, i32 501, i32 65535> + ret <4 x i1> %t6 +} + |