1*c15d47bbSTim Northover; RUN: llc -mtriple=thumbv7m-none-eabi %s -mcpu=cortex-m3 -o - | FileCheck %s 2*c15d47bbSTim Northover; RUN: llc -mtriple=thumbv7m-none-eabi %s -mcpu=cortex-m4 -o - | FileCheck %s 3*c15d47bbSTim Northover; RUN: llc -mtriple=thumbv7m-none-eabi %s -mcpu=cortex-m33 -o - | FileCheck %s 4*c15d47bbSTim Northover 5*c15d47bbSTim Northoverdefine void @test_loop_alignment(i32* %in, i32* %out) optsize { 6*c15d47bbSTim Northover; CHECK-LABEL: test_loop_alignment: 7*c15d47bbSTim Northover; CHECK: movs {{r[0-9]+}}, #0 8*c15d47bbSTim Northover; CHECK: .p2align 2 9*c15d47bbSTim Northover 10*c15d47bbSTim Northoverentry: 11*c15d47bbSTim Northover br label %loop 12*c15d47bbSTim Northover 13*c15d47bbSTim Northoverloop: 14*c15d47bbSTim Northover %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] 15*c15d47bbSTim Northover %in.addr = getelementptr inbounds i32, i32* %in, i32 %i 16*c15d47bbSTim Northover %lhs = load i32, i32* %in.addr, align 4 17*c15d47bbSTim Northover %res = mul nsw i32 %lhs, 5 18*c15d47bbSTim Northover %out.addr = getelementptr inbounds i32, i32* %out, i32 %i 19*c15d47bbSTim Northover store i32 %res, i32* %out.addr, align 4 20*c15d47bbSTim Northover %i.next = add i32 %i, 1 21*c15d47bbSTim Northover %done = icmp eq i32 %i.next, 1024 22*c15d47bbSTim Northover br i1 %done, label %end, label %loop 23*c15d47bbSTim Northover 24*c15d47bbSTim Northoverend: 25*c15d47bbSTim Northover ret void 26*c15d47bbSTim Northover} 27*c15d47bbSTim Northover 28*c15d47bbSTim Northoverdefine void @test_loop_alignment_minsize(i32* %in, i32* %out) minsize { 29*c15d47bbSTim Northover; CHECK-LABEL: test_loop_alignment_minsize: 30*c15d47bbSTim Northover; CHECK: movs {{r[0-9]+}}, #0 31*c15d47bbSTim Northover; CHECK-NOT: .p2align 32*c15d47bbSTim Northover 33*c15d47bbSTim Northoverentry: 34*c15d47bbSTim Northover br label %loop 35*c15d47bbSTim Northover 36*c15d47bbSTim Northoverloop: 37*c15d47bbSTim Northover %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] 38*c15d47bbSTim Northover %in.addr = getelementptr inbounds i32, i32* %in, i32 %i 39*c15d47bbSTim Northover %lhs = load i32, i32* %in.addr, align 4 40*c15d47bbSTim Northover %res = mul nsw i32 %lhs, 5 41*c15d47bbSTim Northover %out.addr = getelementptr inbounds i32, i32* %out, i32 %i 42*c15d47bbSTim Northover store i32 %res, i32* %out.addr, align 4 43*c15d47bbSTim Northover %i.next = add i32 %i, 1 44*c15d47bbSTim Northover %done = icmp eq i32 %i.next, 1024 45*c15d47bbSTim Northover br i1 %done, label %end, label %loop 46*c15d47bbSTim Northover 47*c15d47bbSTim Northoverend: 48*c15d47bbSTim Northover ret void 49*c15d47bbSTim Northover} 50