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1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py2; RUN: opt -S -passes=loop-idiom < %s | FileCheck %s3 4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128-ni:4"5target triple = "x86_64-unknown-linux-gnu"6 7; LIR'ing stores of pointers with address space 3 is fine, since8; they're integral pointers.9define void @f_0(ptr %ptr) {10; CHECK-LABEL: @f_0(11; CHECK-NEXT: entry:12; CHECK-NEXT: call void @llvm.memset.p0.i64(ptr align 4 [[PTR:%.*]], i8 0, i64 80000, i1 false)13; CHECK-NEXT: br label [[FOR_BODY:%.*]]14; CHECK: for.body:15; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]16; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(3), ptr [[PTR]], i64 [[INDVAR]]17; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 118; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 1000019; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]20; CHECK: for.end:21; CHECK-NEXT: ret void22;23 24entry:25 br label %for.body26 27for.body:28 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]29 %arrayidx = getelementptr ptr addrspace(3), ptr %ptr, i64 %indvar30 store ptr addrspace(3) null, ptr %arrayidx, align 431 %indvar.next = add i64 %indvar, 132 %exitcond = icmp eq i64 %indvar.next, 1000033 br i1 %exitcond, label %for.end, label %for.body34 35for.end:36 ret void37}38 39; LIR'ing stores of pointers with address space 4 is not ok, since40; they're non-integral pointers. NOTE: Zero is special value which41; can be converted, if we add said handling here, convert this test42; to use any non-null pointer.43define void @f_1(ptr %ptr) {44; CHECK-LABEL: @f_1(45; CHECK-NEXT: entry:46; CHECK-NEXT: br label [[FOR_BODY:%.*]]47; CHECK: for.body:48; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]49; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(4), ptr [[PTR:%.*]], i64 [[INDVAR]]50; CHECK-NEXT: store ptr addrspace(4) null, ptr [[ARRAYIDX]], align 451; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 152; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 1000053; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]54; CHECK: for.end:55; CHECK-NEXT: ret void56;57 58entry:59 br label %for.body60 61for.body:62 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]63 %arrayidx = getelementptr ptr addrspace(4), ptr %ptr, i64 %indvar64 store ptr addrspace(4) null, ptr %arrayidx, align 465 %indvar.next = add i64 %indvar, 166 %exitcond = icmp eq i64 %indvar.next, 1000067 br i1 %exitcond, label %for.end, label %for.body68 69for.end:70 ret void71}72 73; Same as previous case, but vector of non-integral pointers74define void @f_2(ptr %ptr) {75; CHECK-LABEL: @f_2(76; CHECK-NEXT: entry:77; CHECK-NEXT: br label [[FOR_BODY:%.*]]78; CHECK: for.body:79; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ]80; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr ptr addrspace(4), ptr [[PTR:%.*]], i64 [[INDVAR]]81; CHECK-NEXT: store <2 x ptr addrspace(4)> zeroinitializer, ptr [[ARRAYIDX]], align 882; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 283; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], 1000084; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]]85; CHECK: for.end:86; CHECK-NEXT: ret void87;88entry:89 br label %for.body90 91for.body:92 %indvar = phi i64 [ 0, %entry ], [ %indvar.next, %for.body ]93 %arrayidx = getelementptr ptr addrspace(4), ptr %ptr, i64 %indvar94 store <2 x ptr addrspace(4)> zeroinitializer, ptr %arrayidx, align 895 %indvar.next = add i64 %indvar, 296 %exitcond = icmp eq i64 %indvar.next, 1000097 br i1 %exitcond, label %for.end, label %for.body98 99for.end:100 ret void101}102