56 lines
1.7 KiB
LLVM
56 lines
1.7 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
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; CHECK-LABEL: tail_memcpy
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; CHECK: jmp memcpy
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define void @tail_memcpy(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
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ret void
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}
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; CHECK-LABEL: tail_memmove
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; CHECK: jmp memmove
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define void @tail_memmove(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
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entry:
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tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
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ret void
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}
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; CHECK-LABEL: tail_memset
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; CHECK: jmp memset
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define void @tail_memset(i8* nocapture %p, i8 %c, i32 %n) #0 {
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entry:
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tail call void @llvm.memset.p0i8.i32(i8* %p, i8 %c, i32 %n, i32 1, i1 false)
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ret void
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}
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; CHECK-LABEL: tail_memcpy_ret
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; CHECK: jmp memcpy
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define i8* @tail_memcpy_ret(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
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entry:
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tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
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ret i8* %p
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}
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; CHECK-LABEL: tail_memmove_ret
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; CHECK: jmp memmove
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define i8* @tail_memmove_ret(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
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entry:
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tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
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ret i8* %p
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}
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; CHECK-LABEL: tail_memset_ret
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; CHECK: jmp memset
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define i8* @tail_memset_ret(i8* nocapture %p, i8 %c, i32 %n) #0 {
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entry:
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tail call void @llvm.memset.p0i8.i32(i8* %p, i8 %c, i32 %n, i32 1, i1 false)
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ret i8* %p
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}
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declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0
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declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0
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declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #0
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attributes #0 = { nounwind }
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