[NFC][CVP] Add `shl` no-wrap deduction test coverage

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375441 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 378 insertions, 0 deletions

diff --git a/test/Transforms/CorrelatedValuePropagation/shl.ll b/test/Transforms/CorrelatedValuePropagation/shl.ll
new file mode 100644
index 00000000000..81d26c93a99
--- /dev/null
+++ b/test/Transforms/CorrelatedValuePropagation/shl.ll
@@ -0,0 +1,378 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -correlated-propagation -cvp-dont-add-nowrap-flags=false -S | FileCheck %s
+
+define i8 @test0(i8 %a, i8 %b) {
+; CHECK-LABEL: @test0(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 %a, %b
+  ret i8 %shl
+}
+
+define i8 @test1(i8 %a, i8 %b) {
+; CHECK-LABEL: @test1(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 8
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 [[A:%.*]], [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 8
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 %a, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test2(i8 %a, i8 %b) {
+; CHECK-LABEL: @test2(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 9
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 [[A:%.*]], [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 9
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 %a, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test3(i8 %a, i8 %b) {
+; CHECK-LABEL: @test3(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[B:%.*]], 6
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 [[A:%.*]], [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ugt i8 %b, 6
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 %a, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test4(i8 %a, i8 %b) {
+; CHECK-LABEL: @test4(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ugt i8 [[B:%.*]], 7
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 [[A:%.*]], [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ugt i8 %b, 7
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 %a, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test5(i8 %b) {
+; CHECK-LABEL: @test5(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 0, [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 0, %b
+  ret i8 %shl
+}
+
+define i8 @test6(i8 %b) {
+; CHECK-LABEL: @test6(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 1, [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 1, %b
+  ret i8 %shl
+}
+
+define i8 @test7(i8 %b) {
+; CHECK-LABEL: @test7(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 7
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 1, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 7
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 1, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test8(i8 %b) {
+; CHECK-LABEL: @test8(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 -1, [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 -1, %b
+  ret i8 %shl
+}
+
+define i8 @test9(i8 %b) {
+; CHECK-LABEL: @test9(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp eq i8 [[B:%.*]], 0
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 -1, [[B]]
+; CHECK-NEXT:    ret i8 -1
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp eq i8 %b, 0
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 -1, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test10(i8 %b) {
+; CHECK-LABEL: @test10(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 42, %b
+  ret i8 %shl
+}
+
+define i8 @test11(i8 %b) {
+; CHECK-LABEL: @test11(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 2
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 2
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test12(i8 %b) {
+; CHECK-LABEL: @test12(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 3
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 3
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test13(i8 %b) {
+; CHECK-LABEL: @test13(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 4
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 4
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test14(i8 %b) {
+; CHECK-LABEL: @test14(
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 -42, [[B:%.*]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+;
+  %shl = shl i8 -42, %b
+  ret i8 %shl
+}
+
+define i8 @test15(i8 %b) {
+; CHECK-LABEL: @test15(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 2
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 -42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 2
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 -42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test16(i8 %b) {
+; CHECK-LABEL: @test16(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp ult i8 [[B:%.*]], 3
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 -42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp ult i8 %b, 3
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 -42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test17(i8 %b) {
+; CHECK-LABEL: @test17(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[B:%.*]], 2
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp slt i8 %b, 2
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test18(i8 %b) {
+; CHECK-LABEL: @test18(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[B:%.*]], 3
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp slt i8 %b, 3
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}
+
+define i8 @test19(i8 %b) {
+; CHECK-LABEL: @test19(
+; CHECK-NEXT:  entry:
+; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[B:%.*]], 4
+; CHECK-NEXT:    br i1 [[CMP]], label [[BB:%.*]], label [[EXIT:%.*]]
+; CHECK:       bb:
+; CHECK-NEXT:    [[SHL:%.*]] = shl i8 42, [[B]]
+; CHECK-NEXT:    ret i8 [[SHL]]
+; CHECK:       exit:
+; CHECK-NEXT:    ret i8 0
+;
+entry:
+  %cmp = icmp slt i8 %b, 4
+  br i1 %cmp, label %bb, label %exit
+
+bb:
+  %shl = shl i8 42, %b
+  ret i8 %shl
+
+exit:
+  ret i8 0
+}