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llvm-mirror/test/CodeGen/X86/imul-lea-2.ll

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[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s
Replace some more greps with FileChecks in tests llvm-svn: 174006
2013-01-31 01:44:12 +01:00
Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. x * 40 => shlq $3, %rdi leaq (%rdi,%rdi,4), %rax This has the added benefit of allowing more multiply to be folded into addressing mode. e.g. a * 24 + b => leaq (%rdi,%rdi,2), %rax leaq (%rsi,%rax,8), %rax llvm-svn: 67917
2009-03-28 06:57:29 +01:00
define i64 @t1(i64 %a) nounwind readnone {
[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
; CHECK-LABEL: t1:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-04 18:18:51 +01:00
; CHECK: # %bb.0: # %entry
[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
; CHECK-NEXT: leaq (%rdi,%rdi,8), %rax
; CHECK-NEXT: leaq (%rax,%rax,8), %rax
; CHECK-NEXT: retq
Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. x * 40 => shlq $3, %rdi leaq (%rdi,%rdi,4), %rax This has the added benefit of allowing more multiply to be folded into addressing mode. e.g. a * 24 + b => leaq (%rdi,%rdi,2), %rax leaq (%rsi,%rax,8), %rax llvm-svn: 67917
2009-03-28 06:57:29 +01:00
entry:
Replace some more greps with FileChecks in tests llvm-svn: 174006
2013-01-31 01:44:12 +01:00
%0 = mul i64 %a, 81
ret i64 %0
Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. x * 40 => shlq $3, %rdi leaq (%rdi,%rdi,4), %rax This has the added benefit of allowing more multiply to be folded into addressing mode. e.g. a * 24 + b => leaq (%rdi,%rdi,2), %rax leaq (%rsi,%rax,8), %rax llvm-svn: 67917
2009-03-28 06:57:29 +01:00
}
define i64 @t2(i64 %a) nounwind readnone {
[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
; CHECK-LABEL: t2:
[CodeGen] Unify MBB reference format in both MIR and debug output As part of the unification of the debug format and the MIR format, print MBB references as '%bb.5'. The MIR printer prints the IR name of a MBB only for block definitions. * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)->getNumber\(\)/" << printMBBReference(*\1)/g' * find . \( -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#" << ([a-zA-Z0-9_]+)\.getNumber\(\)/" << printMBBReference(\1)/g' * find . \( -name "*.txt" -o -name "*.s" -o -name "*.mir" -o -name "*.cpp" -o -name "*.h" -o -name "*.ll" \) -type f -print0 | xargs -0 sed -i '' -E 's/BB#([0-9]+)/%bb.\1/g' * grep -nr 'BB#' and fix Differential Revision: https://reviews.llvm.org/D40422 llvm-svn: 319665
2017-12-04 18:18:51 +01:00
; CHECK: # %bb.0: # %entry
[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
; CHECK-NEXT: shlq $3, %rdi
; CHECK-NEXT: leaq (%rdi,%rdi,4), %rax
; CHECK-NEXT: retq
Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. x * 40 => shlq $3, %rdi leaq (%rdi,%rdi,4), %rax This has the added benefit of allowing more multiply to be folded into addressing mode. e.g. a * 24 + b => leaq (%rdi,%rdi,2), %rax leaq (%rsi,%rax,8), %rax llvm-svn: 67917
2009-03-28 06:57:29 +01:00
entry:
Replace some more greps with FileChecks in tests llvm-svn: 174006
2013-01-31 01:44:12 +01:00
%0 = mul i64 %a, 40
ret i64 %0
Optimize some 64-bit multiplication by constants into two lea's or one lea + shl since imulq is slow (latency 5). e.g. x * 40 => shlq $3, %rdi leaq (%rdi,%rdi,4), %rax This has the added benefit of allowing more multiply to be folded into addressing mode. e.g. a * 24 + b => leaq (%rdi,%rdi,2), %rax leaq (%rsi,%rax,8), %rax llvm-svn: 67917
2009-03-28 06:57:29 +01:00
}
[x86] regenerate checks; NFC llvm-svn: 311793
2017-08-25 21:25:03 +02:00
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