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| author | Clement Courbet <courbet@google.com> | 2018-02-07 09:58:55 +0000 |
|---|---|---|
| committer | Clement Courbet <courbet@google.com> | 2018-02-07 09:58:55 +0000 |
| commit | 10003e31f47cb8a542e3d13b0fb5f56902e38854 (patch) | |
| tree | c7238b4085dfb5d6700cf951c4774399d829ef30 /llvm/test/CodeGen/X86/memcmp-mergeexpand.ll | |
| parent | 308c92b25d95049fb8ab846ea23b7100ed8660d2 (diff) | |
| download | bcm5719-llvm-10003e31f47cb8a542e3d13b0fb5f56902e38854.tar.gz bcm5719-llvm-10003e31f47cb8a542e3d13b0fb5f56902e38854.zip | |
[MergeICmps] Re-commit rL324317 "Enable the MergeICmps Pass by default."
With fixes from rL324341.
Original commit message:
[MergeICmps] Enable the MergeICmps Pass by default.
Summary: Now that PR33325 is fixed, this should always improve the generated code.
Reviewers: spatel
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D42793
llvm-svn: 324465
Diffstat (limited to 'llvm/test/CodeGen/X86/memcmp-mergeexpand.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/memcmp-mergeexpand.ll | 29 |
1 files changed, 7 insertions, 22 deletions
diff --git a/llvm/test/CodeGen/X86/memcmp-mergeexpand.ll b/llvm/test/CodeGen/X86/memcmp-mergeexpand.ll index 1b928d6f967..1c470177c27 100644 --- a/llvm/test/CodeGen/X86/memcmp-mergeexpand.ll +++ b/llvm/test/CodeGen/X86/memcmp-mergeexpand.ll @@ -8,37 +8,22 @@ define zeroext i1 @opeq1( ; X86-LABEL: opeq1: -; X86: # %bb.0: # %entry +; X86: # %bb.0: # %opeq1.exit ; X86-NEXT: movl {{[0-9]+}}(%esp), %eax ; X86-NEXT: movl {{[0-9]+}}(%esp), %ecx ; X86-NEXT: movl (%ecx), %edx -; X86-NEXT: cmpl (%eax), %edx -; X86-NEXT: jne .LBB0_1 -; X86-NEXT: # %bb.2: # %land.rhs.i ; X86-NEXT: movl 4(%ecx), %ecx -; X86-NEXT: cmpl 4(%eax), %ecx +; X86-NEXT: xorl (%eax), %edx +; X86-NEXT: xorl 4(%eax), %ecx +; X86-NEXT: orl %edx, %ecx ; X86-NEXT: sete %al -; X86-NEXT: # kill: def $al killed $al killed $eax -; X86-NEXT: retl -; X86-NEXT: .LBB0_1: -; X86-NEXT: xorl %eax, %eax -; X86-NEXT: # kill: def $al killed $al killed $eax ; X86-NEXT: retl ; ; X64-LABEL: opeq1: -; X64: # %bb.0: # %entry -; X64-NEXT: movl (%rdi), %eax -; X64-NEXT: cmpl (%rsi), %eax -; X64-NEXT: jne .LBB0_1 -; X64-NEXT: # %bb.2: # %land.rhs.i -; X64-NEXT: movl 4(%rdi), %eax -; X64-NEXT: cmpl 4(%rsi), %eax +; X64: # %bb.0: # %opeq1.exit +; X64-NEXT: movq (%rdi), %rax +; X64-NEXT: cmpq (%rsi), %rax ; X64-NEXT: sete %al -; X64-NEXT: # kill: def $al killed $al killed $eax -; X64-NEXT: retq -; X64-NEXT: .LBB0_1: -; X64-NEXT: xorl %eax, %eax -; X64-NEXT: # kill: def $al killed $al killed $eax ; X64-NEXT: retq %"struct.std::pair"* nocapture readonly dereferenceable(8) %a, %"struct.std::pair"* nocapture readonly dereferenceable(8) %b) local_unnamed_addr #0 { |
