[llvm] 55c7c4e - [NewGVN] Add test for ptrtoaddr (NFC)
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Wed Oct 8 07:17:08 PDT 2025
Author: Nikita Popov
Date: 2025-10-08T16:16:59+02:00
New Revision: 55c7c4e6232d8aca182cdd6e48ad4211bba27e97
URL: https://github.com/llvm/llvm-project/commit/55c7c4e6232d8aca182cdd6e48ad4211bba27e97
DIFF: https://github.com/llvm/llvm-project/commit/55c7c4e6232d8aca182cdd6e48ad4211bba27e97.diff
LOG: [NewGVN] Add test for ptrtoaddr (NFC)
Added:
llvm/test/Transforms/NewGVN/ptrtoaddr.ll
Modified:
Removed:
################################################################################
diff --git a/llvm/test/Transforms/NewGVN/ptrtoaddr.ll b/llvm/test/Transforms/NewGVN/ptrtoaddr.ll
new file mode 100644
index 0000000000000..a6d90b160ee6c
--- /dev/null
+++ b/llvm/test/Transforms/NewGVN/ptrtoaddr.ll
@@ -0,0 +1,32 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
+; RUN: opt -S -passes=newgvn < %s | FileCheck %s
+
+define i64 @ptrtoaddr_same(ptr %p) {
+; CHECK-LABEL: define i64 @ptrtoaddr_same(
+; CHECK-SAME: ptr [[P:%.*]]) {
+; CHECK-NEXT: [[J:%.*]] = ptrtoaddr ptr [[P]] to i64
+; CHECK-NEXT: [[J1:%.*]] = ptrtoaddr ptr [[P]] to i64
+; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[J]], [[J1]]
+; CHECK-NEXT: ret i64 [[SUB]]
+;
+ %i = ptrtoaddr ptr %p to i64
+ %j = ptrtoaddr ptr %p to i64
+ %sub = sub i64 %i, %j
+ ret i64 %sub
+}
+
+; Note that unlike for ptrtoint, it's not possible for ptrtoaddr to
diff er
+; in result type for the same input.
+define i64 @ptrtoaddr_
diff erent(ptr %p, ptr %p2) {
+; CHECK-LABEL: define i64 @ptrtoaddr_
diff erent(
+; CHECK-SAME: ptr [[P:%.*]], ptr [[P2:%.*]]) {
+; CHECK-NEXT: [[I:%.*]] = ptrtoaddr ptr [[P]] to i64
+; CHECK-NEXT: [[J:%.*]] = ptrtoaddr ptr [[P2]] to i64
+; CHECK-NEXT: [[SUB:%.*]] = sub i64 [[I]], [[J]]
+; CHECK-NEXT: ret i64 [[SUB]]
+;
+ %i = ptrtoaddr ptr %p to i64
+ %j = ptrtoaddr ptr %p2 to i64
+ %sub = sub i64 %i, %j
+ ret i64 %sub
+}
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