[llvm] a21458c - [InstCombine] Add tests for icmp of vector GEP (NFC)
Nikita Popov via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 2 06:18:27 PST 2023
Author: Nikita Popov
Date: 2023-01-02T15:18:19+01:00
New Revision: a21458c7b0b9b51cd37bd87d083c7f239544304c
URL: https://github.com/llvm/llvm-project/commit/a21458c7b0b9b51cd37bd87d083c7f239544304c
DIFF: https://github.com/llvm/llvm-project/commit/a21458c7b0b9b51cd37bd87d083c7f239544304c.diff
LOG: [InstCombine] Add tests for icmp of vector GEP (NFC)
These show up as regressions with opaque pointers.
Added:
Modified:
llvm/test/Transforms/InstCombine/opaque-ptr.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/opaque-ptr.ll b/llvm/test/Transforms/InstCombine/opaque-ptr.ll
index 2bfbeb534e2e..a1e67e5a914b 100644
--- a/llvm/test/Transforms/InstCombine/opaque-ptr.ll
+++ b/llvm/test/Transforms/InstCombine/opaque-ptr.ll
@@ -322,6 +322,38 @@ define i1 @compare_geps_same_indices_
diff erent_types(ptr %a, ptr %b, i64 %idx) {
ret i1 %c
}
+define i1 @compare_gep_with_base(ptr %p, i64 %idx) {
+; CHECK-LABEL: @compare_gep_with_base(
+; CHECK-NEXT: [[C:%.*]] = icmp eq i64 [[IDX:%.*]], 0
+; CHECK-NEXT: ret i1 [[C]]
+;
+ %gep = getelementptr inbounds i32, ptr %p, i64 %idx
+ %c = icmp eq ptr %gep, %p
+ ret i1 %c
+}
+
+define <2 x i1> @compare_gep_with_base_vector1(<2 x ptr> %p, i64 %idx) {
+; CHECK-LABEL: @compare_gep_with_base_vector1(
+; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, <2 x ptr> [[P:%.*]], i64 [[IDX:%.*]]
+; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x ptr> [[GEP]], [[P]]
+; CHECK-NEXT: ret <2 x i1> [[C]]
+;
+ %gep = getelementptr inbounds i32, <2 x ptr> %p, i64 %idx
+ %c = icmp eq <2 x ptr> %gep, %p
+ ret <2 x i1> %c
+}
+
+define <2 x i1> @compare_gep_with_base_vector2(<2 x ptr> %p, <2 x i64> %idx) {
+; CHECK-LABEL: @compare_gep_with_base_vector2(
+; CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i32, <2 x ptr> [[P:%.*]], <2 x i64> [[IDX:%.*]]
+; CHECK-NEXT: [[C:%.*]] = icmp eq <2 x ptr> [[GEP]], [[P]]
+; CHECK-NEXT: ret <2 x i1> [[C]]
+;
+ %gep = getelementptr inbounds i32, <2 x ptr> %p, <2 x i64> %idx
+ %c = icmp eq <2 x ptr> %gep, %p
+ ret <2 x i1> %c
+}
+
define <4 x i1> @compare_geps_same_indices_scalar_vector_base_mismatch(ptr %ptr, <4 x ptr> %ptrs) {
; CHECK-LABEL: @compare_geps_same_indices_scalar_vector_base_mismatch(
; CHECK-NEXT: [[GEP1:%.*]] = getelementptr i16, <4 x ptr> [[PTRS:%.*]], <4 x i64> <i64 1, i64 2, i64 3, i64 4>
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