1c15d47bbSTim Northover; RUN: llc -mtriple=thumbv7m-none-eabi %s -mcpu=cortex-m3 -o - | FileCheck %s 2c15d47bbSTim Northover; RUN: llc -mtriple=thumbv7m-none-eabi %s -mcpu=cortex-m4 -o - | FileCheck %s 3*67756c09SSam Parker; RUN: llc -mtriple=thumbv8m-none-eabi %s -mcpu=cortex-m33 -o - | FileCheck %s 4c15d47bbSTim Northover 5c15d47bbSTim Northoverdefine void @test_loop_alignment(i32* %in, i32* %out) optsize { 6c15d47bbSTim Northover; CHECK-LABEL: test_loop_alignment: 7*67756c09SSam Parker; CHECK: mov{{.*}}, #0 8c15d47bbSTim Northover; CHECK: .p2align 2 9c15d47bbSTim Northover 10c15d47bbSTim Northoverentry: 11c15d47bbSTim Northover br label %loop 12c15d47bbSTim Northover 13c15d47bbSTim Northoverloop: 14c15d47bbSTim Northover %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] 15c15d47bbSTim Northover %in.addr = getelementptr inbounds i32, i32* %in, i32 %i 16c15d47bbSTim Northover %lhs = load i32, i32* %in.addr, align 4 17c15d47bbSTim Northover %res = mul nsw i32 %lhs, 5 18c15d47bbSTim Northover %out.addr = getelementptr inbounds i32, i32* %out, i32 %i 19c15d47bbSTim Northover store i32 %res, i32* %out.addr, align 4 20c15d47bbSTim Northover %i.next = add i32 %i, 1 21c15d47bbSTim Northover %done = icmp eq i32 %i.next, 1024 22c15d47bbSTim Northover br i1 %done, label %end, label %loop 23c15d47bbSTim Northover 24c15d47bbSTim Northoverend: 25c15d47bbSTim Northover ret void 26c15d47bbSTim Northover} 27c15d47bbSTim Northover 28c15d47bbSTim Northoverdefine void @test_loop_alignment_minsize(i32* %in, i32* %out) minsize { 29c15d47bbSTim Northover; CHECK-LABEL: test_loop_alignment_minsize: 30c15d47bbSTim Northover; CHECK: movs {{r[0-9]+}}, #0 31c15d47bbSTim Northover; CHECK-NOT: .p2align 32c15d47bbSTim Northover 33c15d47bbSTim Northoverentry: 34c15d47bbSTim Northover br label %loop 35c15d47bbSTim Northover 36c15d47bbSTim Northoverloop: 37c15d47bbSTim Northover %i = phi i32 [ 0, %entry ], [ %i.next, %loop ] 38c15d47bbSTim Northover %in.addr = getelementptr inbounds i32, i32* %in, i32 %i 39c15d47bbSTim Northover %lhs = load i32, i32* %in.addr, align 4 40c15d47bbSTim Northover %res = mul nsw i32 %lhs, 5 41c15d47bbSTim Northover %out.addr = getelementptr inbounds i32, i32* %out, i32 %i 42c15d47bbSTim Northover store i32 %res, i32* %out.addr, align 4 43c15d47bbSTim Northover %i.next = add i32 %i, 1 44c15d47bbSTim Northover %done = icmp eq i32 %i.next, 1024 45c15d47bbSTim Northover br i1 %done, label %end, label %loop 46c15d47bbSTim Northover 47c15d47bbSTim Northoverend: 48c15d47bbSTim Northover ret void 49c15d47bbSTim Northover} 50