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[InstCombine] Add tests for folding
@llvm.ptrmask with itself; NFC
Differential Revision: https://reviews.llvm.org/D154005
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 | ||
| ; RUN: opt < %s -passes=instcombine -S | FileCheck %s | ||
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| declare ptr @llvm.ptrmask.p0.i64(ptr, i64) | ||
| declare ptr @llvm.ptrmask.p0.i32(ptr, i32) | ||
| declare void @use.ptr(ptr) | ||
| define ptr @fold_2x(ptr %p, i64 %m0, i64 %m1) { | ||
| ; CHECK-LABEL: define ptr @fold_2x | ||
| ; CHECK-SAME: (ptr [[P:%.*]], i64 [[M0:%.*]], i64 [[M1:%.*]]) { | ||
| ; CHECK-NEXT: [[P0:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P]], i64 [[M0]]) | ||
| ; CHECK-NEXT: [[P1:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P0]], i64 [[M1]]) | ||
| ; CHECK-NEXT: ret ptr [[P1]] | ||
| ; | ||
| %p0 = call ptr @llvm.ptrmask.p0.i64(ptr %p, i64 %m0) | ||
| %p1 = call ptr @llvm.ptrmask.p0.i64(ptr %p0, i64 %m1) | ||
| ret ptr %p1 | ||
| } | ||
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||
| define ptr @fold_2x_i32(ptr %p, i32 %m0, i32 %m1) { | ||
| ; CHECK-LABEL: define ptr @fold_2x_i32 | ||
| ; CHECK-SAME: (ptr [[P:%.*]], i32 [[M0:%.*]], i32 [[M1:%.*]]) { | ||
| ; CHECK-NEXT: [[P0:%.*]] = call ptr @llvm.ptrmask.p0.i32(ptr [[P]], i32 [[M0]]) | ||
| ; CHECK-NEXT: [[P1:%.*]] = call ptr @llvm.ptrmask.p0.i32(ptr [[P0]], i32 [[M1]]) | ||
| ; CHECK-NEXT: ret ptr [[P1]] | ||
| ; | ||
| %p0 = call ptr @llvm.ptrmask.p0.i32(ptr %p, i32 %m0) | ||
| %p1 = call ptr @llvm.ptrmask.p0.i32(ptr %p0, i32 %m1) | ||
| ret ptr %p1 | ||
| } | ||
|
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| define ptr @fold_2x_fail_multiuse(ptr %p, i64 %m0, i64 %m1) { | ||
| ; CHECK-LABEL: define ptr @fold_2x_fail_multiuse | ||
| ; CHECK-SAME: (ptr [[P:%.*]], i64 [[M0:%.*]], i64 [[M1:%.*]]) { | ||
| ; CHECK-NEXT: [[P0:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P]], i64 [[M0]]) | ||
| ; CHECK-NEXT: call void @use.ptr(ptr [[P0]]) | ||
| ; CHECK-NEXT: [[P1:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P0]], i64 [[M1]]) | ||
| ; CHECK-NEXT: ret ptr [[P1]] | ||
| ; | ||
| %p0 = call ptr @llvm.ptrmask.p0.i64(ptr %p, i64 %m0) | ||
| call void @use.ptr(ptr %p0) | ||
| %p1 = call ptr @llvm.ptrmask.p0.i64(ptr %p0, i64 %m1) | ||
| ret ptr %p1 | ||
| } | ||
|
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||
| define ptr @fold_2x_fail_type_mismatch(ptr %p, i32 %m0, i64 %m1) { | ||
| ; CHECK-LABEL: define ptr @fold_2x_fail_type_mismatch | ||
| ; CHECK-SAME: (ptr [[P:%.*]], i32 [[M0:%.*]], i64 [[M1:%.*]]) { | ||
| ; CHECK-NEXT: [[P0:%.*]] = call ptr @llvm.ptrmask.p0.i32(ptr [[P]], i32 [[M0]]) | ||
| ; CHECK-NEXT: [[P1:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P0]], i64 [[M1]]) | ||
| ; CHECK-NEXT: ret ptr [[P1]] | ||
| ; | ||
| %p0 = call ptr @llvm.ptrmask.p0.i32(ptr %p, i32 %m0) | ||
| %p1 = call ptr @llvm.ptrmask.p0.i64(ptr %p0, i64 %m1) | ||
| ret ptr %p1 | ||
| } | ||
|
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||
| define ptr @fold_2x_fail_type_mismatch2(ptr %p, i64 %m0, i32 %m1) { | ||
| ; CHECK-LABEL: define ptr @fold_2x_fail_type_mismatch2 | ||
| ; CHECK-SAME: (ptr [[P:%.*]], i64 [[M0:%.*]], i32 [[M1:%.*]]) { | ||
| ; CHECK-NEXT: [[P0:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[P]], i64 [[M0]]) | ||
| ; CHECK-NEXT: [[P1:%.*]] = call ptr @llvm.ptrmask.p0.i32(ptr [[P0]], i32 [[M1]]) | ||
| ; CHECK-NEXT: ret ptr [[P1]] | ||
| ; | ||
| %p0 = call ptr @llvm.ptrmask.p0.i64(ptr %p, i64 %m0) | ||
| %p1 = call ptr @llvm.ptrmask.p0.i32(ptr %p0, i32 %m1) | ||
| ret ptr %p1 | ||
| } |