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59f04da446
Hint to hardware to move the cache line containing the address to a more distant level of the cache without writing back to memory. Reviewers: craig.topper, zvi Reviewed By: craig.topper Differential Revision: https://reviews.llvm.org/D45256 llvm-svn: 329992
22 lines
662 B
LLVM
22 lines
662 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-linux -mattr=+cldemote | FileCheck %s --check-prefix=X64
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; RUN: llc < %s -mtriple=i386-pc-linux -mattr=+cldemote | FileCheck %s --check-prefix=X32
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define void @test_cldemote(i8* %p) {
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; X64-LABEL: test_cldemote:
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; X64: # %bb.0: # %entry
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; X64-NEXT: cldemote (%rdi)
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; X64-NEXT: retq
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;
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; X32-LABEL: test_cldemote:
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; X32: # %bb.0: # %entry
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; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: cldemote (%eax)
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; X32-NEXT: retl
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entry:
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tail call void @llvm.x86.cldemote(i8* %p)
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ret void
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}
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declare void @llvm.x86.cldemote(i8*)
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