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c275334e12
I had manually removed unused prefixes from CodeGen/X86 directory for more than 100 tests. I checked the change history for each of them at the beginning, and then I mainly focused on the format since I found all of the unused prefixes were result from either insensible copy or residuum after functional update. I think it's OK to remove the remaining X86 tests by script now. I wrote a rough script which works for me in most tests. I put it in llvm/utils temporarily for review and hope it may help other components owners. The tests in this patch are all generated by the tool and checked by update tool for the autogenerated tests. I skimmed them and checked about 30 tests and didn't find any unexpected changes. Reviewed By: mtrofin, MaskRay Differential Revision: https://reviews.llvm.org/D91496
65 lines
2.0 KiB
LLVM
65 lines
2.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=1 -mtriple=x86_64-- < %s | FileCheck --check-prefix=X64 %s
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; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=0 -mtriple=x86_64-- < %s | FileCheck --check-prefix=X64 %s
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; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=1 -mtriple=i386-- < %s | FileCheck --check-prefixes=X32,BWON32 %s
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; RUN: llc -verify-machineinstrs -fixup-byte-word-insts=0 -mtriple=i386-- < %s | FileCheck --check-prefixes=X32,BWOFF32 %s
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target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128"
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define i8 @test_movb(i8 %a0) {
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; X64-LABEL: test_movb:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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;
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; X32-LABEL: test_movb:
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; X32: # %bb.0:
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; X32-NEXT: movb {{[0-9]+}}(%esp), %al
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; X32-NEXT: retl
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ret i8 %a0
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}
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define i16 @test_movw(i16 %a0) {
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; X64-LABEL: test_movw:
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; X64: # %bb.0:
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: # kill: def $ax killed $ax killed $eax
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; X64-NEXT: retq
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;
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; BWON32-LABEL: test_movw:
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; BWON32: # %bb.0:
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; BWON32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; BWON32-NEXT: retl
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;
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; BWOFF32-LABEL: test_movw:
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; BWOFF32: # %bb.0:
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; BWOFF32-NEXT: movw {{[0-9]+}}(%esp), %ax
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; BWOFF32-NEXT: retl
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ret i16 %a0
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}
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; Verify we don't mess with H-reg copies (only generated in 32-bit mode).
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define i8 @test_movb_hreg(i16 %a0) {
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; X64-LABEL: test_movb_hreg:
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; X64: # %bb.0:
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; X64-NEXT: # kill: def $edi killed $edi def $rdi
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; X64-NEXT: movl %edi, %eax
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; X64-NEXT: shrl $8, %eax
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; X64-NEXT: addl %edi, %eax
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; X64-NEXT: # kill: def $al killed $al killed $eax
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; X64-NEXT: retq
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;
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; X32-LABEL: test_movb_hreg:
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; X32: # %bb.0:
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; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
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; X32-NEXT: addb %al, %ah
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; X32-NEXT: movb %ah, %al
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; X32-NEXT: retl
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%tmp0 = trunc i16 %a0 to i8
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%tmp1 = lshr i16 %a0, 8
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%tmp2 = trunc i16 %tmp1 to i8
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%tmp3 = add i8 %tmp0, %tmp2
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ret i8 %tmp3
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}
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