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-rw-r--r--llvm/test/Analysis/IR2Vec/unreachable.ll8
-rw-r--r--llvm/test/Analysis/ScalarEvolution/trip-count-minmax.ll4
-rw-r--r--llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll40
3 files changed, 20 insertions, 32 deletions
diff --git a/llvm/test/Analysis/IR2Vec/unreachable.ll b/llvm/test/Analysis/IR2Vec/unreachable.ll
index 9be0ee1..627e2c9 100644
--- a/llvm/test/Analysis/IR2Vec/unreachable.ll
+++ b/llvm/test/Analysis/IR2Vec/unreachable.ll
@@ -30,13 +30,17 @@ return: ; preds = %if.else, %if.then
%4 = load i32, ptr %retval, align 4
ret i32 %4
}
-
-; CHECK: Basic block vectors:
+; We'll get individual basic block embeddings for all blocks in the function.
+; But unreachable blocks are not counted for computing the function embedding.
+; CHECK: Function vector: [ 1301.20 1318.20 1335.20 ]
+; CHECK-NEXT: Basic block vectors:
; CHECK-NEXT: Basic block: entry:
; CHECK-NEXT: [ 816.20 825.20 834.20 ]
; CHECK-NEXT: Basic block: if.then:
; CHECK-NEXT: [ 195.00 198.00 201.00 ]
; CHECK-NEXT: Basic block: if.else:
; CHECK-NEXT: [ 195.00 198.00 201.00 ]
+; CHECK-NEXT: Basic block: unreachable:
+; CHECK-NEXT: [ 101.00 103.00 105.00 ]
; CHECK-NEXT: Basic block: return:
; CHECK-NEXT: [ 95.00 97.00 99.00 ]
diff --git a/llvm/test/Analysis/ScalarEvolution/trip-count-minmax.ll b/llvm/test/Analysis/ScalarEvolution/trip-count-minmax.ll
index 8d091a0..d380104 100644
--- a/llvm/test/Analysis/ScalarEvolution/trip-count-minmax.ll
+++ b/llvm/test/Analysis/ScalarEvolution/trip-count-minmax.ll
@@ -61,7 +61,7 @@ define void @umin(i32 noundef %a, i32 noundef %b) {
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + ((2 * %a) umin (4 * %b)))
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + ((2 * %a) umin (4 * %b)))
-; CHECK-NEXT: Loop %for.body: Trip multiple is 1
+; CHECK-NEXT: Loop %for.body: Trip multiple is 2
;
; void umin(unsigned a, unsigned b) {
; a *= 2;
@@ -157,7 +157,7 @@ define void @smin(i32 noundef %a, i32 noundef %b) {
; CHECK-NEXT: Loop %for.body: backedge-taken count is (-1 + ((2 * %a)<nsw> smin (4 * %b)<nsw>))
; CHECK-NEXT: Loop %for.body: constant max backedge-taken count is i32 2147483646
; CHECK-NEXT: Loop %for.body: symbolic max backedge-taken count is (-1 + ((2 * %a)<nsw> smin (4 * %b)<nsw>))
-; CHECK-NEXT: Loop %for.body: Trip multiple is 1
+; CHECK-NEXT: Loop %for.body: Trip multiple is 2
;
; void smin(signed a, signed b) {
; a *= 2;
diff --git a/llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll b/llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll
index b1fe7b1..7ba422d 100644
--- a/llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll
+++ b/llvm/test/Analysis/ScalarEvolution/trip-multiple-guard-info.ll
@@ -615,22 +615,14 @@ define void @test_ptrs_aligned_by_4_via_assumption(ptr %start, ptr %end) {
; CHECK-LABEL: 'test_ptrs_aligned_by_4_via_assumption'
; CHECK-NEXT: Classifying expressions for: @test_ptrs_aligned_by_4_via_assumption
; CHECK-NEXT: %iv = phi ptr [ %start, %entry ], [ %iv.next, %loop ]
-; CHECK-NEXT: --> {%start,+,4}<%loop> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
+; CHECK-NEXT: --> {%start,+,4}<%loop> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4))<nuw> + %start) LoopDispositions: { %loop: Computable }
; CHECK-NEXT: %iv.next = getelementptr i8, ptr %iv, i64 4
-; CHECK-NEXT: --> {(4 + %start),+,4}<%loop> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
+; CHECK-NEXT: --> {(4 + %start),+,4}<%loop> U: full-set S: full-set Exits: (4 + (4 * ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4))<nuw> + %start) LoopDispositions: { %loop: Computable }
; CHECK-NEXT: Determining loop execution counts for: @test_ptrs_aligned_by_4_via_assumption
-; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
-; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
-; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
-; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
-; CHECK-NEXT: Loop %loop: Predicated constant max backedge-taken count is i64 4611686018427387903
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
-; CHECK-NEXT: Loop %loop: Predicated symbolic max backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
+; CHECK-NEXT: Loop %loop: backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
+; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i64 4611686018427387903
+; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
+; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
call void @llvm.assume(i1 true) [ "align"(ptr %start, i64 4) ]
@@ -652,22 +644,14 @@ define void @test_ptrs_aligned_by_8_via_assumption(ptr %start, ptr %end) {
; CHECK-LABEL: 'test_ptrs_aligned_by_8_via_assumption'
; CHECK-NEXT: Classifying expressions for: @test_ptrs_aligned_by_8_via_assumption
; CHECK-NEXT: %iv = phi ptr [ %start, %entry ], [ %iv.next, %loop ]
-; CHECK-NEXT: --> {%start,+,4}<%loop> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
+; CHECK-NEXT: --> {%start,+,4}<%loop> U: full-set S: full-set Exits: ((4 * ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4))<nuw> + %start) LoopDispositions: { %loop: Computable }
; CHECK-NEXT: %iv.next = getelementptr i8, ptr %iv, i64 4
-; CHECK-NEXT: --> {(4 + %start),+,4}<%loop> U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %loop: Computable }
+; CHECK-NEXT: --> {(4 + %start),+,4}<%loop> U: full-set S: full-set Exits: (4 + (4 * ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4))<nuw> + %start) LoopDispositions: { %loop: Computable }
; CHECK-NEXT: Determining loop execution counts for: @test_ptrs_aligned_by_8_via_assumption
-; CHECK-NEXT: Loop %loop: Unpredictable backedge-taken count.
-; CHECK-NEXT: Loop %loop: Unpredictable constant max backedge-taken count.
-; CHECK-NEXT: Loop %loop: Unpredictable symbolic max backedge-taken count.
-; CHECK-NEXT: Loop %loop: Predicated backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
-; CHECK-NEXT: Loop %loop: Predicated constant max backedge-taken count is i64 4611686018427387903
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
-; CHECK-NEXT: Loop %loop: Predicated symbolic max backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
-; CHECK-NEXT: Predicates:
-; CHECK-NEXT: Equal predicate: (zext i2 ((trunc i64 (ptrtoint ptr %end to i64) to i2) + (-1 * (trunc i64 (ptrtoint ptr %start to i64) to i2))) to i64) == 0
+; CHECK-NEXT: Loop %loop: backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
+; CHECK-NEXT: Loop %loop: constant max backedge-taken count is i64 4611686018427387903
+; CHECK-NEXT: Loop %loop: symbolic max backedge-taken count is ((-4 + (-1 * (ptrtoint ptr %start to i64)) + (ptrtoint ptr %end to i64)) /u 4)
+; CHECK-NEXT: Loop %loop: Trip multiple is 1
;
entry:
call void @llvm.assume(i1 true) [ "align"(ptr %start, i64 8) ]
generated by cgit v1.1 at 2025-10-10 06:02:56 +0000