[llvm] 4b48cdd - [InstCombine] add tests for rem with select operand; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Tue Dec 7 08:10:12 PST 2021
Author: Sanjay Patel
Date: 2021-12-07T11:08:26-05:00
New Revision: 4b48cdd4dd47ca008f2efd74f3f56214fc36497a
URL: https://github.com/llvm/llvm-project/commit/4b48cdd4dd47ca008f2efd74f3f56214fc36497a
DIFF: https://github.com/llvm/llvm-project/commit/4b48cdd4dd47ca008f2efd74f3f56214fc36497a.diff
LOG: [InstCombine] add tests for rem with select operand; NFC
Added:
Modified:
llvm/test/Transforms/InstCombine/rem.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/rem.ll b/llvm/test/Transforms/InstCombine/rem.ll
index 2a75984b22314..468ccb261d2fc 100644
--- a/llvm/test/Transforms/InstCombine/rem.ll
+++ b/llvm/test/Transforms/InstCombine/rem.ll
@@ -1,6 +1,8 @@
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
+declare void @use(i32)
+
define i64 @rem_signed(i64 %x1, i64 %y2) {
; CHECK-LABEL: @rem_signed(
; CHECK-NEXT: [[TMP1:%.*]] = srem i64 [[X1:%.*]], [[Y2:%.*]]
@@ -773,3 +775,178 @@ define double @PR34870(i1 %cond, double %x, double %y) {
ret double %fmod
}
+define i32 @srem_constant_dividend_select_of_constants_divisor(i1 %b) {
+; CHECK-LABEL: @srem_constant_dividend_select_of_constants_divisor(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: [[R:%.*]] = srem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ %r = srem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @srem_constant_dividend_select_of_constants_divisor_use(i1 %b) {
+; CHECK-LABEL: @srem_constant_dividend_select_of_constants_divisor_use(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: call void @use(i32 [[S]])
+; CHECK-NEXT: [[R:%.*]] = srem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ call void @use(i32 %s)
+ %r = srem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @srem_constant_dividend_select_divisor1(i1 %b, i32 %x) {
+; CHECK-LABEL: @srem_constant_dividend_select_divisor1(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 [[X:%.*]], i32 -3
+; CHECK-NEXT: [[R:%.*]] = srem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 %x, i32 -3
+ %r = srem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @srem_constant_dividend_select_divisor2(i1 %b, i32 %x) {
+; CHECK-LABEL: @srem_constant_dividend_select_divisor2(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 [[X:%.*]]
+; CHECK-NEXT: [[R:%.*]] = srem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 %x
+ %r = srem i32 42, %s
+ ret i32 %r
+}
+
+define <2 x i8> @srem_constant_dividend_select_of_constants_divisor_vec(i1 %b) {
+; CHECK-LABEL: @srem_constant_dividend_select_of_constants_divisor_vec(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 4>
+; CHECK-NEXT: [[R:%.*]] = srem <2 x i8> <i8 42, i8 -42>, [[S]]
+; CHECK-NEXT: ret <2 x i8> [[R]]
+;
+ %s = select i1 %b, <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 4>
+ %r = srem <2 x i8> <i8 42, i8 -42>, %s
+ ret <2 x i8> %r
+}
+
+define <2 x i8> @srem_constant_dividend_select_of_constants_divisor_vec_ub1(i1 %b) {
+; CHECK-LABEL: @srem_constant_dividend_select_of_constants_divisor_vec_ub1(
+; CHECK-NEXT: ret <2 x i8> <i8 2, i8 -2>
+;
+ %s = select i1 %b, <2 x i8> <i8 0, i8 -5>, <2 x i8> <i8 -4, i8 4>
+ %r = srem <2 x i8> <i8 42, i8 -42>, %s
+ ret <2 x i8> %r
+}
+
+define <2 x i8> @srem_constant_dividend_select_of_constants_divisor_vec_ub2(i1 %b) {
+; CHECK-LABEL: @srem_constant_dividend_select_of_constants_divisor_vec_ub2(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 -1>
+; CHECK-NEXT: [[R:%.*]] = srem <2 x i8> <i8 42, i8 -128>, [[S]]
+; CHECK-NEXT: ret <2 x i8> [[R]]
+;
+ %s = select i1 %b, <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 -1>
+ %r = srem <2 x i8> <i8 42, i8 -128>, %s
+ ret <2 x i8> %r
+}
+
+define i32 @srem_select_of_constants_divisor(i1 %b, i32 %x) {
+; CHECK-LABEL: @srem_select_of_constants_divisor(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: [[R:%.*]] = srem i32 [[X:%.*]], [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ %r = srem i32 %x, %s
+ ret i32 %r
+}
+
+define i32 @urem_constant_dividend_select_of_constants_divisor(i1 %b) {
+; CHECK-LABEL: @urem_constant_dividend_select_of_constants_divisor(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: [[R:%.*]] = urem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ %r = urem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @urem_constant_dividend_select_of_constants_divisor_use(i1 %b) {
+; CHECK-LABEL: @urem_constant_dividend_select_of_constants_divisor_use(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: call void @use(i32 [[S]])
+; CHECK-NEXT: [[R:%.*]] = urem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ call void @use(i32 %s)
+ %r = urem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @urem_constant_dividend_select_divisor1(i1 %b, i32 %x) {
+; CHECK-LABEL: @urem_constant_dividend_select_divisor1(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 [[X:%.*]], i32 -3
+; CHECK-NEXT: [[R:%.*]] = urem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 %x, i32 -3
+ %r = urem i32 42, %s
+ ret i32 %r
+}
+
+define i32 @urem_constant_dividend_select_divisor2(i1 %b, i32 %x) {
+; CHECK-LABEL: @urem_constant_dividend_select_divisor2(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 [[X:%.*]]
+; CHECK-NEXT: [[R:%.*]] = urem i32 42, [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 %x
+ %r = urem i32 42, %s
+ ret i32 %r
+}
+
+define <2 x i8> @urem_constant_dividend_select_of_constants_divisor_vec(i1 %b) {
+; CHECK-LABEL: @urem_constant_dividend_select_of_constants_divisor_vec(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 4>
+; CHECK-NEXT: [[R:%.*]] = urem <2 x i8> <i8 42, i8 -42>, [[S]]
+; CHECK-NEXT: ret <2 x i8> [[R]]
+;
+ %s = select i1 %b, <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 4>
+ %r = urem <2 x i8> <i8 42, i8 -42>, %s
+ ret <2 x i8> %r
+}
+
+define <2 x i8> @urem_constant_dividend_select_of_constants_divisor_vec_ub1(i1 %b) {
+; CHECK-LABEL: @urem_constant_dividend_select_of_constants_divisor_vec_ub1(
+; CHECK-NEXT: ret <2 x i8> <i8 42, i8 2>
+;
+ %s = select i1 %b, <2 x i8> <i8 0, i8 -5>, <2 x i8> <i8 -4, i8 4>
+ %r = urem <2 x i8> <i8 42, i8 -42>, %s
+ ret <2 x i8> %r
+}
+
+define <2 x i8> @urem_constant_dividend_select_of_constants_divisor_vec_ub2(i1 %b) {
+; CHECK-LABEL: @urem_constant_dividend_select_of_constants_divisor_vec_ub2(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 -1>
+; CHECK-NEXT: [[R:%.*]] = urem <2 x i8> <i8 42, i8 -128>, [[S]]
+; CHECK-NEXT: ret <2 x i8> [[R]]
+;
+ %s = select i1 %b, <2 x i8> <i8 12, i8 -5>, <2 x i8> <i8 -4, i8 -1>
+ %r = urem <2 x i8> <i8 42, i8 -128>, %s
+ ret <2 x i8> %r
+}
+
+define i32 @urem_select_of_constants_divisor(i1 %b, i32 %x) {
+; CHECK-LABEL: @urem_select_of_constants_divisor(
+; CHECK-NEXT: [[S:%.*]] = select i1 [[B:%.*]], i32 12, i32 -3
+; CHECK-NEXT: [[R:%.*]] = urem i32 [[X:%.*]], [[S]]
+; CHECK-NEXT: ret i32 [[R]]
+;
+ %s = select i1 %b, i32 12, i32 -3
+ %r = urem i32 %x, %s
+ ret i32 %r
+}
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