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1; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s2 3; CHECK-LABEL: tail_memcpy4; CHECK: jmp memcpy5define void @tail_memcpy(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {6entry:7 tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)8 ret void9}10 11; CHECK-LABEL: tail_memmove12; CHECK: jmp memmove13define void @tail_memmove(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {14entry:15 tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)16 ret void17}18 19; CHECK-LABEL: tail_memset20; CHECK: jmp memset21define void @tail_memset(ptr nocapture %p, i8 %c, i32 %n) #0 {22entry:23 tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)24 ret void25}26 27; CHECK-LABEL: tail_memcpy_ret28; CHECK: jmp memcpy29define ptr @tail_memcpy_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {30entry:31 tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)32 ret ptr %p33}34 35; CHECK-LABEL: tail_memmove_ret36; CHECK: jmp memmove37define ptr @tail_memmove_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {38entry:39 tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)40 ret ptr %p41}42 43; CHECK-LABEL: tail_memset_ret44; CHECK: jmp memset45define ptr @tail_memset_ret(ptr nocapture %p, i8 %c, i32 %n) #0 {46entry:47 tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)48 ret ptr %p49}50 51declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #052declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #053declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) #054 55attributes #0 = { nounwind }56