1; RUN: llc -mtriple=hexagon -O2 -mno-pairing -mno-compound < %s | FileCheck %s 2 3; Test to see if we inline calls to memcpy/memmove when 4; the array size is small. 5 6target triple = "hexagon-unknown--elf" 7 8; CHECK-LABEL: f0: 9; CHECK-DAG: [[REG1:r[0-9]*]] = memw(r{{[0-9]*}}+#0) 10; CHECK-DAG: [[REG2:r[0-9]*]] = memuh(r{{[0-9]*}}+#4) 11; CHECK-DAG: [[REG3:r[0-9]*]] = memub(r{{[0-9]*}}+#6) 12; CHECK-DAG: memw(r{{[0-9]*}}+#0) = [[REG1]] 13; CHECK-DAG: memh(r{{[0-9]*}}+#4) = [[REG2]] 14; CHECK-DAG: memb(r{{[0-9]*}}+#6) = [[REG3]] 15 16define i32 @f0(ptr %a0) #0 { 17b0: 18 %v0 = alloca [10 x i32], align 8 19 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %v0, ptr align 4 %a0, i32 7, i1 false) 20 call void @f1(ptr %v0, ptr %a0) #0 21 ret i32 0 22} 23 24declare void @f1(ptr, ptr) 25 26; CHECK-LABEL: f2: 27; CHECK-DAG: [[REG4:r[0-9]*]] = memub(r{{[0-9]*}}+#6) 28; CHECK-DAG: [[REG5:r[0-9]*]] = memuh(r{{[0-9]*}}+#4) 29; CHECK-DAG: [[REG6:r[0-9]*]] = memw(r{{[0-9]*}}+#0) 30; CHECK-DAG: memw(r{{[0-9]*}}+#0) = [[REG6]] 31; CHECK-DAG: memh(r{{[0-9]*}}+#4) = [[REG5]] 32; CHECK-DAG: memb(r{{[0-9]*}}+#6) = [[REG4]] 33 34define i32 @f2(ptr %a0, ptr %a1) #0 { 35b0: 36 call void @llvm.memmove.p0.p0.i32(ptr align 4 %a1, ptr align 4 %a0, i32 7, i1 false) 37 tail call void @f1(ptr %a1, ptr %a0) #0 38 ret i32 0 39} 40 41declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1) #1 42declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1 43 44attributes #0 = { nounwind } 45attributes #1 = { argmemonly nounwind } 46