; RUN: llc -march=hexagon -O2 -mno-pairing -mno-compound < %s | FileCheck %s ; Test to see if we inline calls to memcpy/memmove when ; the array size is small. target triple = "hexagon-unknown--elf" ; CHECK-LABEL: f0: ; CHECK-DAG: [[REG1:r[0-9]*]] = memw(r{{[0-9]*}}+#0) ; CHECK-DAG: [[REG2:r[0-9]*]] = memuh(r{{[0-9]*}}+#4) ; CHECK-DAG: [[REG3:r[0-9]*]] = memub(r{{[0-9]*}}+#6) ; CHECK-DAG: memw(r{{[0-9]*}}+#0) = [[REG1]] ; CHECK-DAG: memh(r{{[0-9]*}}+#4) = [[REG2]] ; CHECK-DAG: memb(r{{[0-9]*}}+#6) = [[REG3]] define i32 @f0(ptr %a0) #0 { b0: %v0 = alloca [10 x i32], align 8 call void @llvm.memcpy.p0.p0.i32(ptr align 4 %v0, ptr align 4 %a0, i32 7, i1 false) call void @f1(ptr %v0, ptr %a0) #0 ret i32 0 } declare void @f1(ptr, ptr) ; CHECK-LABEL: f2: ; CHECK-DAG: [[REG4:r[0-9]*]] = memub(r{{[0-9]*}}+#6) ; CHECK-DAG: [[REG5:r[0-9]*]] = memuh(r{{[0-9]*}}+#4) ; CHECK-DAG: [[REG6:r[0-9]*]] = memw(r{{[0-9]*}}+#0) ; CHECK-DAG: memw(r{{[0-9]*}}+#0) = [[REG6]] ; CHECK-DAG: memh(r{{[0-9]*}}+#4) = [[REG5]] ; CHECK-DAG: memb(r{{[0-9]*}}+#6) = [[REG4]] define i32 @f2(ptr %a0, ptr %a1) #0 { b0: call void @llvm.memmove.p0.p0.i32(ptr align 4 %a1, ptr align 4 %a0, i32 7, i1 false) tail call void @f1(ptr %a1, ptr %a0) #0 ret i32 0 } declare void @llvm.memcpy.p0.p0.i32(ptr nocapture writeonly, ptr nocapture readonly, i32, i1) #1 declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #1 attributes #0 = { nounwind } attributes #1 = { argmemonly nounwind }