| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s |
| |
| |
| declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture writeonly, i8* nocapture readonly, i64, i1 immarg) #1 |
| define dso_local void @copy_7_bytes(i8* noalias nocapture, i8* noalias nocapture readonly) nounwind #0 { |
| ; CHECK-LABEL: copy_7_bytes: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl (%rsi), %eax |
| ; CHECK-NEXT: movl 3(%rsi), %ecx |
| ; CHECK-NEXT: movl %ecx, 3(%rdi) |
| ; CHECK-NEXT: movl %eax, (%rdi) |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 7, i1 false) |
| ret void |
| } |
| define dso_local void @copy_7_bytes_volatile(i8* noalias nocapture, i8* noalias nocapture readonly) nounwind #0 { |
| ; CHECK-LABEL: copy_7_bytes_volatile: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movb 6(%rsi), %al |
| ; CHECK-NEXT: movb %al, 6(%rdi) |
| ; CHECK-NEXT: movzwl 4(%rsi), %eax |
| ; CHECK-NEXT: movw %ax, 4(%rdi) |
| ; CHECK-NEXT: movl (%rsi), %eax |
| ; CHECK-NEXT: movl %eax, (%rdi) |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 7, i1 true) |
| ret void |
| } |
| |
| |
| declare void @llvm.memmove.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i1 immarg) #1 |
| define dso_local void @move_7_bytes(i8* nocapture, i8* nocapture readonly) nounwind #0 { |
| ; CHECK-LABEL: move_7_bytes: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl (%rsi), %eax |
| ; CHECK-NEXT: movzwl 4(%rsi), %ecx |
| ; CHECK-NEXT: movb 6(%rsi), %dl |
| ; CHECK-NEXT: movb %dl, 6(%rdi) |
| ; CHECK-NEXT: movw %cx, 4(%rdi) |
| ; CHECK-NEXT: movl %eax, (%rdi) |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memmove.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 7, i1 false) |
| ret void |
| } |
| define dso_local void @move_7_bytes_volatile(i8* nocapture, i8* nocapture readonly) nounwind #0 { |
| ; CHECK-LABEL: move_7_bytes_volatile: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl (%rsi), %eax |
| ; CHECK-NEXT: movzwl 4(%rsi), %ecx |
| ; CHECK-NEXT: movb 6(%rsi), %dl |
| ; CHECK-NEXT: movb %dl, 6(%rdi) |
| ; CHECK-NEXT: movw %cx, 4(%rdi) |
| ; CHECK-NEXT: movl %eax, (%rdi) |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memmove.p0i8.p0i8.i64(i8* align 1 %0, i8* align 1 %1, i64 7, i1 true) |
| ret void |
| } |
| |
| |
| declare void @llvm.memset.p0i8.i64(i8* nocapture writeonly, i8 , i64, i1 immarg) #1 |
| define dso_local void @set_7_bytes(i8* noalias nocapture) nounwind #0 { |
| ; CHECK-LABEL: set_7_bytes: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movl $16843009, 3(%rdi) # imm = 0x1010101 |
| ; CHECK-NEXT: movl $16843009, (%rdi) # imm = 0x1010101 |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memset.p0i8.i64(i8* align 1 %0, i8 1, i64 7, i1 false) |
| ret void |
| } |
| define dso_local void @set_7_bytes_volatile(i8* noalias nocapture) nounwind #0 { |
| ; CHECK-LABEL: set_7_bytes_volatile: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movb $1, 6(%rdi) |
| ; CHECK-NEXT: movw $257, 4(%rdi) # imm = 0x101 |
| ; CHECK-NEXT: movl $16843009, (%rdi) # imm = 0x1010101 |
| ; CHECK-NEXT: retq |
| tail call void @llvm.memset.p0i8.i64(i8* align 1 %0, i8 1, i64 7, i1 true) |
| ret void |
| } |
| |
| attributes #0 = { noreturn nounwind uwtable "target-cpu"="x86-64" } |
| attributes #1 = { argmemonly nounwind } |