; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2 ; RUN: opt < %s -passes=infer-alignment -S | FileCheck %s ; ------------------------------------------------------------------------------ ; load instructions ; ------------------------------------------------------------------------------ define void @load(ptr align 1 %ptr) { ; CHECK-LABEL: define void @load ; CHECK-SAME: (ptr align 1 [[PTR:%.*]]) { ; CHECK-NEXT: [[ALIGNED_0:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -2) ; CHECK-NEXT: [[ALIGNED_1:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -4) ; CHECK-NEXT: [[ALIGNED_2:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -8) ; CHECK-NEXT: [[LOAD_0:%.*]] = load <16 x i8>, ptr [[ALIGNED_0]], align 2 ; CHECK-NEXT: [[LOAD_1:%.*]] = load <16 x i8>, ptr [[ALIGNED_1]], align 4 ; CHECK-NEXT: [[LOAD_2:%.*]] = load <16 x i8>, ptr [[ALIGNED_2]], align 8 ; CHECK-NEXT: ret void ; %aligned.0 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -2) %aligned.1 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -4) %aligned.2 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -8) %load.0 = load <16 x i8>, ptr %aligned.0, align 1 %load.1 = load <16 x i8>, ptr %aligned.1, align 1 %load.2 = load <16 x i8>, ptr %aligned.2, align 1 ret void } ; ------------------------------------------------------------------------------ ; store instructions ; ------------------------------------------------------------------------------ define void @store(ptr align 1 %ptr) { ; CHECK-LABEL: define void @store ; CHECK-SAME: (ptr align 1 [[PTR:%.*]]) { ; CHECK-NEXT: [[ALIGNED_0:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -2) ; CHECK-NEXT: [[ALIGNED_1:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -4) ; CHECK-NEXT: [[ALIGNED_2:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -8) ; CHECK-NEXT: store <16 x i8> zeroinitializer, ptr [[ALIGNED_0]], align 2 ; CHECK-NEXT: store <16 x i8> zeroinitializer, ptr [[ALIGNED_1]], align 4 ; CHECK-NEXT: store <16 x i8> zeroinitializer, ptr [[ALIGNED_2]], align 8 ; CHECK-NEXT: ret void ; %aligned.0 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -2) %aligned.1 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -4) %aligned.2 = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -8) store <16 x i8> zeroinitializer, ptr %aligned.0, align 1 store <16 x i8> zeroinitializer, ptr %aligned.1, align 1 store <16 x i8> zeroinitializer, ptr %aligned.2, align 1 ret void } ; ------------------------------------------------------------------------------ ; Overaligned pointer ; ------------------------------------------------------------------------------ ; Underlying alignment greater than alignment forced by ptrmask define void @ptrmask_overaligned(ptr align 16 %ptr) { ; CHECK-LABEL: define void @ptrmask_overaligned ; CHECK-SAME: (ptr align 16 [[PTR:%.*]]) { ; CHECK-NEXT: [[ALIGNED:%.*]] = call ptr @llvm.ptrmask.p0.i64(ptr [[PTR]], i64 -8) ; CHECK-NEXT: [[LOAD:%.*]] = load <16 x i8>, ptr [[ALIGNED]], align 16 ; CHECK-NEXT: store <16 x i8> zeroinitializer, ptr [[ALIGNED]], align 16 ; CHECK-NEXT: ret void ; %aligned = call ptr @llvm.ptrmask.p0.i64(ptr %ptr, i64 -8) %load = load <16 x i8>, ptr %aligned, align 1 store <16 x i8> zeroinitializer, ptr %aligned, align 1 ret void } declare ptr @llvm.ptrmask.p0.i64(ptr, i64)