diff options
Diffstat (limited to 'llvm/test/Analysis/ScalarEvolution')
| -rw-r--r-- | llvm/test/Analysis/ScalarEvolution/ptrtoint.ll | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/llvm/test/Analysis/ScalarEvolution/ptrtoint.ll b/llvm/test/Analysis/ScalarEvolution/ptrtoint.ll index e784d25..acac2c9 100644 --- a/llvm/test/Analysis/ScalarEvolution/ptrtoint.ll +++ b/llvm/test/Analysis/ScalarEvolution/ptrtoint.ll @@ -447,6 +447,84 @@ bb5: ret void } +define void @pr46786_c26_char_cmp_ops_swapped(ptr %arg, ptr %arg1, ptr %arg2) { +; X64-LABEL: 'pr46786_c26_char_cmp_ops_swapped' +; X64-NEXT: Classifying expressions for: @pr46786_c26_char_cmp_ops_swapped +; X64-NEXT: %i4 = ptrtoint ptr %arg to i64 +; X64-NEXT: --> (ptrtoint ptr %arg to i64) U: full-set S: full-set +; X64-NEXT: %i7 = phi ptr [ %arg, %bb3 ], [ %i14, %bb6 ] +; X64-NEXT: --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64) + %arg) LoopDispositions: { %bb6: Computable } +; X64-NEXT: %i8 = load i8, ptr %i7, align 1 +; X64-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X64-NEXT: %i9 = ptrtoint ptr %i7 to i64 +; X64-NEXT: --> {(ptrtoint ptr %arg to i64),+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (ptrtoint ptr %arg1 to i64)) LoopDispositions: { %bb6: Computable } +; X64-NEXT: %i10 = sub i64 %i9, %i4 +; X64-NEXT: --> {0,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64)) LoopDispositions: { %bb6: Computable } +; X64-NEXT: %i11 = getelementptr inbounds i8, ptr %arg2, i64 %i10 +; X64-NEXT: --> {%arg2,+,1}<nw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64) + %arg2) LoopDispositions: { %bb6: Computable } +; X64-NEXT: %i12 = load i8, ptr %i11, align 1 +; X64-NEXT: --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X64-NEXT: %i13 = add i8 %i12, %i8 +; X64-NEXT: --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X64-NEXT: %i14 = getelementptr inbounds i8, ptr %i7, i64 1 +; X64-NEXT: --> {(1 + %arg),+,1}<nuw><%bb6> U: full-set S: full-set Exits: ((-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64) + %arg) LoopDispositions: { %bb6: Computable } +; X64-NEXT: Determining loop execution counts for: @pr46786_c26_char_cmp_ops_swapped +; X64-NEXT: Loop %bb6: backedge-taken count is (-1 + (-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64)) +; X64-NEXT: Loop %bb6: constant max backedge-taken count is i64 -1 +; X64-NEXT: Loop %bb6: symbolic max backedge-taken count is (-1 + (-1 * (ptrtoint ptr %arg to i64)) + (ptrtoint ptr %arg1 to i64)) +; X64-NEXT: Loop %bb6: Trip multiple is 1 +; +; X32-LABEL: 'pr46786_c26_char_cmp_ops_swapped' +; X32-NEXT: Classifying expressions for: @pr46786_c26_char_cmp_ops_swapped +; X32-NEXT: %i4 = ptrtoint ptr %arg to i64 +; X32-NEXT: --> (zext i32 (ptrtoint ptr %arg to i32) to i64) U: [0,4294967296) S: [0,4294967296) +; X32-NEXT: %i7 = phi ptr [ %arg, %bb3 ], [ %i14, %bb6 ] +; X32-NEXT: --> {%arg,+,1}<nuw><%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32) + %arg) LoopDispositions: { %bb6: Computable } +; X32-NEXT: %i8 = load i8, ptr %i7, align 1 +; X32-NEXT: --> %i8 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X32-NEXT: %i9 = ptrtoint ptr %i7 to i64 +; X32-NEXT: --> {(zext i32 (ptrtoint ptr %arg to i32) to i64),+,1}<nuw><%bb6> U: [0,8589934591) S: [0,8589934591) Exits: ((zext i32 (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32)) to i64) + (zext i32 (ptrtoint ptr %arg to i32) to i64)) LoopDispositions: { %bb6: Computable } +; X32-NEXT: %i10 = sub i64 %i9, %i4 +; X32-NEXT: --> {0,+,1}<nuw><%bb6> U: [0,4294967296) S: [0,4294967296) Exits: (zext i32 (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32)) to i64) LoopDispositions: { %bb6: Computable } +; X32-NEXT: %i11 = getelementptr inbounds i8, ptr %arg2, i64 %i10 +; X32-NEXT: --> {%arg2,+,1}<%bb6> U: full-set S: full-set Exits: (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32) + %arg2) LoopDispositions: { %bb6: Computable } +; X32-NEXT: %i12 = load i8, ptr %i11, align 1 +; X32-NEXT: --> %i12 U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X32-NEXT: %i13 = add i8 %i12, %i8 +; X32-NEXT: --> (%i12 + %i8) U: full-set S: full-set Exits: <<Unknown>> LoopDispositions: { %bb6: Variant } +; X32-NEXT: %i14 = getelementptr inbounds i8, ptr %i7, i64 1 +; X32-NEXT: --> {(1 + %arg),+,1}<nuw><%bb6> U: full-set S: full-set Exits: ((-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32) + %arg) LoopDispositions: { %bb6: Computable } +; X32-NEXT: Determining loop execution counts for: @pr46786_c26_char_cmp_ops_swapped +; X32-NEXT: Loop %bb6: backedge-taken count is (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32)) +; X32-NEXT: Loop %bb6: constant max backedge-taken count is i32 -1 +; X32-NEXT: Loop %bb6: symbolic max backedge-taken count is (-1 + (-1 * (ptrtoint ptr %arg to i32)) + (ptrtoint ptr %arg1 to i32)) +; X32-NEXT: Loop %bb6: Trip multiple is 1 +; + %i = icmp eq ptr %arg1, %arg + br i1 %i, label %bb5, label %bb3 + +bb3: + %i4 = ptrtoint ptr %arg to i64 + br label %bb6 + +bb6: + %i7 = phi ptr [ %arg, %bb3 ], [ %i14, %bb6 ] + %i8 = load i8, ptr %i7 + %i9 = ptrtoint ptr %i7 to i64 + %i10 = sub i64 %i9, %i4 + %i11 = getelementptr inbounds i8, ptr %arg2, i64 %i10 + %i12 = load i8, ptr %i11 + %i13 = add i8 %i12, %i8 + store i8 %i13, ptr %i11 + %i14 = getelementptr inbounds i8, ptr %i7, i64 1 + %i15 = icmp eq ptr %i14, %arg1 + br i1 %i15, label %bb5, label %bb6 + +bb5: + ret void +} + + ; void pr46786_c26_int(int* start, int *end, int *other) { ; for (int* cur = start; cur != end; ++cur) ; other[cur - start] += *cur; |