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[InstSimplify] add vector tests for icmp with mul nuw; NFC 

Also, the naming was off on a couple of tests.
This commit is contained in:
Sanjay Patel 2020-08-05 13:09:20 -04:00
parent 7ad60f6452
commit a569a0af0d
1 changed files with 26 additions and 4 deletions
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30
llvm/test/Transforms/InstSimplify/icmp-constant.ll
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@ -823,8 +823,8 @@ define i1 @mul_nuw_urem_cmp_constant1(i8 %x) {
; Invert predicate and check vector type.
define <2 x i1> @mul_nuw_urem_cmp_constant2(<2 x i8> %x) {
; CHECK-LABEL: @mul_nuw_urem_cmp_constant2(
define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat(<2 x i8> %x) {
; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat(
; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 45, i8 45>
; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 15>
; CHECK-NEXT: ret <2 x i1> [[R]]
@ -834,10 +834,32 @@ define <2 x i1> @mul_nuw_urem_cmp_constant2(<2 x i8> %x) {
ret <2 x i1> %r
}
define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat_undef1(<2 x i8> %x) {
; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat_undef1(
; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 45, i8 45>
; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 undef>
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%m = mul nuw <2 x i8> %x, <i8 45, i8 45>
%r = icmp ne <2 x i8> %m, <i8 15, i8 undef>
ret <2 x i1> %r
}
define <2 x i1> @mul_nuw_urem_cmp_constant_vec_splat_undef2(<2 x i8> %x) {
; CHECK-LABEL: @mul_nuw_urem_cmp_constant_vec_splat_undef2(
; CHECK-NEXT: [[M:%.*]] = mul nuw <2 x i8> [[X:%.*]], <i8 undef, i8 45>
; CHECK-NEXT: [[R:%.*]] = icmp ne <2 x i8> [[M]], <i8 15, i8 15>
; CHECK-NEXT: ret <2 x i1> [[R]]
;
%m = mul nuw <2 x i8> %x, <i8 undef, i8 45>
%r = icmp ne <2 x i8> %m, <i8 15, i8 15>
ret <2 x i1> %r
}
; Check "negative" numbers (constants should be analyzed as unsigned).
define i1 @mul_nuw_smaller_cmp_constant_vec_splat(i8 %x) {
; CHECK-LABEL: @mul_nuw_smaller_cmp_constant_vec_splat(
define i1 @mul_nuw_urem_cmp_constant2(i8 %x) {
; CHECK-LABEL: @mul_nuw_urem_cmp_constant2(
; CHECK-NEXT: [[M:%.*]] = mul nuw i8 [[X:%.*]], -42
; CHECK-NEXT: [[R:%.*]] = icmp eq i8 [[M]], -84
; CHECK-NEXT: ret i1 [[R]]