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1; RUN: llc -mtriple=hexagon -O2 -mno-pairing -mno-compound < %s | FileCheck %s2 3; Test to see if we inline calls to memcpy/memmove when4; 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 819 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) #021 ret i32 022}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) #038 ret i32 039}40 41declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1) #142declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #143 44attributes #0 = { nounwind }45attributes #1 = { argmemonly nounwind }46