[llvm] f01c758 - [InstSimplify] Add additional implied condition tests (NFC)
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Fri May 13 08:19:49 PDT 2022
Author: Nikita Popov
Date: 2022-05-13T17:19:41+02:00
New Revision: f01c7583b5ce9bfc93f833e40e19c3cfd988fd2c
URL: https://github.com/llvm/llvm-project/commit/f01c7583b5ce9bfc93f833e40e19c3cfd988fd2c
DIFF: https://github.com/llvm/llvm-project/commit/f01c7583b5ce9bfc93f833e40e19c3cfd988fd2c.diff
LOG: [InstSimplify] Add additional implied condition tests (NFC)
Added:
Modified:
llvm/test/Transforms/InstSimplify/select-implied.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstSimplify/select-implied.ll b/llvm/test/Transforms/InstSimplify/select-implied.ll
index 2a1b402ffdb7d..683dfecedd155 100644
--- a/llvm/test/Transforms/InstSimplify/select-implied.ll
+++ b/llvm/test/Transforms/InstSimplify/select-implied.ll
@@ -274,3 +274,320 @@ end:
ret void
}
+define void @implies_or(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_or(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[A]], [[B]]
+; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[OR]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = or i1 %cmp2, %x
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_or_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_or_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[A]], [[B]]
+; CHECK-NEXT: [[OR:%.*]] = or i1 [[X:%.*]], [[CMP2]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[OR]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = or i1 %x, %cmp2
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_or_branch_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_or_branch_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[TAKEN:%.*]], label [[END:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[A]], [[B]]
+; CHECK-NEXT: [[OR:%.*]] = or i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[OR]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp ne i32 %a, %b
+ br i1 %cmp1, label %taken, label %end
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = or i1 %cmp2, %x
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_logical_or(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_logical_or(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: call void @foo(i32 20)
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = select i1 %cmp2, i1 true, i1 %x
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_logical_or_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_logical_or_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[A]], [[B]]
+; CHECK-NEXT: [[OR:%.*]] = select i1 [[X:%.*]], i1 true, i1 [[CMP2]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[OR]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = select i1 %x, i1 true, i1 %cmp2
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @doesnt_imply_and(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @doesnt_imply_and(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp ne i32 [[A]], [[B]]
+; CHECK-NEXT: [[OR:%.*]] = and i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[OR]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp ne i32 %a, %b
+ %or = and i1 %cmp2, %x
+ %c = select i1 %or, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_not_and(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_not_and(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[A]], [[B]]
+; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[AND]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = and i1 %cmp2, %x
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_not_and_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_not_and_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[A]], [[B]]
+; CHECK-NEXT: [[AND:%.*]] = and i1 [[X:%.*]], [[CMP2]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[AND]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = and i1 %x, %cmp2
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_not_and_branch_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_not_and_branch_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp ne i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[TAKEN:%.*]], label [[END:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[A]], [[B]]
+; CHECK-NEXT: [[AND:%.*]] = and i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[AND]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp ne i32 %a, %b
+ br i1 %cmp1, label %taken, label %end
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = and i1 %cmp2, %x
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_not_logical_and(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_not_logical_and(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: call void @foo(i32 0)
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = select i1 %cmp2, i1 %x, i1 false
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @implies_not_logical_and_comm(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @implies_not_logical_and_comm(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[A]], [[B]]
+; CHECK-NEXT: [[AND:%.*]] = select i1 [[X:%.*]], i1 [[CMP2]], i1 false
+; CHECK-NEXT: [[C:%.*]] = select i1 [[AND]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = select i1 %x, i1 %cmp2, i1 false
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
+
+define void @doesnt_imply_or(i32 %a, i32 %b, i1 %x) {
+; CHECK-LABEL: @doesnt_imply_or(
+; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[A:%.*]], [[B:%.*]]
+; CHECK-NEXT: br i1 [[CMP1]], label [[END:%.*]], label [[TAKEN:%.*]]
+; CHECK: taken:
+; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 [[A]], [[B]]
+; CHECK-NEXT: [[AND:%.*]] = or i1 [[CMP2]], [[X:%.*]]
+; CHECK-NEXT: [[C:%.*]] = select i1 [[AND]], i32 20, i32 0
+; CHECK-NEXT: call void @foo(i32 [[C]])
+; CHECK-NEXT: br label [[END]]
+; CHECK: end:
+; CHECK-NEXT: ret void
+;
+ %cmp1 = icmp eq i32 %a, %b
+ br i1 %cmp1, label %end, label %taken
+
+taken:
+ %cmp2 = icmp eq i32 %a, %b
+ %and = or i1 %cmp2, %x
+ %c = select i1 %and, i32 20, i32 0
+ call void @foo(i32 %c)
+ br label %end
+
+end:
+ ret void
+}
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