1260679b0SDávid Bolvanský; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 248c6b272SRoman Lebedev; RUN: opt -passes=loop-idiom < %s -S | FileCheck %s 3cee313d2SEric Christophertarget datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 4cee313d2SEric Christopher 5cee313d2SEric Christopher;; memcpy.atomic formation (atomic load & store) -- element size 2 6cee313d2SEric Christopher;; Will not create call due to a max element size of 0 7cee313d2SEric Christopherdefine void @test1(i64 %Size) nounwind ssp { 8cee313d2SEric Christopher; CHECK-LABEL: @test1( 9260679b0SDávid Bolvanský; CHECK-NEXT: bb.nph: 10260679b0SDávid Bolvanský; CHECK-NEXT: [[BASE:%.*]] = alloca i16, i32 10000, align 2 11260679b0SDávid Bolvanský; CHECK-NEXT: [[DEST:%.*]] = alloca i16, i32 10000, align 2 12260679b0SDávid Bolvanský; CHECK-NEXT: br label [[FOR_BODY:%.*]] 13260679b0SDávid Bolvanský; CHECK: for.body: 14260679b0SDávid Bolvanský; CHECK-NEXT: [[INDVAR:%.*]] = phi i64 [ 0, [[BB_NPH:%.*]] ], [ [[INDVAR_NEXT:%.*]], [[FOR_BODY]] ] 15*055fb779SNikita Popov; CHECK-NEXT: [[I_0_014:%.*]] = getelementptr i16, ptr [[BASE]], i64 [[INDVAR]] 16*055fb779SNikita Popov; CHECK-NEXT: [[DESTI:%.*]] = getelementptr i16, ptr [[DEST]], i64 [[INDVAR]] 17*055fb779SNikita Popov; CHECK-NEXT: [[V:%.*]] = load atomic i16, ptr [[I_0_014]] unordered, align 2 18*055fb779SNikita Popov; CHECK-NEXT: store atomic i16 [[V]], ptr [[DESTI]] unordered, align 2 19260679b0SDávid Bolvanský; CHECK-NEXT: [[INDVAR_NEXT]] = add i64 [[INDVAR]], 1 20260679b0SDávid Bolvanský; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVAR_NEXT]], [[SIZE:%.*]] 21260679b0SDávid Bolvanský; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]] 22260679b0SDávid Bolvanský; CHECK: for.end: 23260679b0SDávid Bolvanský; CHECK-NEXT: ret void 24260679b0SDávid Bolvanský; 25cee313d2SEric Christopherbb.nph: 26cee313d2SEric Christopher %Base = alloca i16, i32 10000 27cee313d2SEric Christopher %Dest = alloca i16, i32 10000 28cee313d2SEric Christopher br label %for.body 29cee313d2SEric Christopher 30cee313d2SEric Christopherfor.body: ; preds = %bb.nph, %for.body 31cee313d2SEric Christopher %indvar = phi i64 [ 0, %bb.nph ], [ %indvar.next, %for.body ] 32*055fb779SNikita Popov %I.0.014 = getelementptr i16, ptr %Base, i64 %indvar 33*055fb779SNikita Popov %DestI = getelementptr i16, ptr %Dest, i64 %indvar 34*055fb779SNikita Popov %V = load atomic i16, ptr %I.0.014 unordered, align 2 35*055fb779SNikita Popov store atomic i16 %V, ptr %DestI unordered, align 2 36cee313d2SEric Christopher %indvar.next = add i64 %indvar, 1 37cee313d2SEric Christopher %exitcond = icmp eq i64 %indvar.next, %Size 38cee313d2SEric Christopher br i1 %exitcond, label %for.end, label %for.body 39cee313d2SEric Christopher 40cee313d2SEric Christopherfor.end: ; preds = %for.body, %entry 41cee313d2SEric Christopher ret void 42cee313d2SEric Christopher} 43