diff options
| author | Dan Gohman <gohman@apple.com> | 2008-03-25 16:53:19 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-03-25 16:53:19 +0000 |
| commit | 27845362d96a90f52ea5c980d4b7b44a2e957b06 (patch) | |
| tree | 5482395f859cbff6894425bfccce369dbc35d35d | |
| parent | 1d21395f4ce152e7bf14d9ba6ea23549de6badd4 (diff) | |
Add CMP32mr and friends to the load-unfolding table. Among
other things, this allows the scheduler to unfold a load operand
in the 2008-01-08-SchedulerCrash.ll testcase, so it now successfully
clones the comparison to avoid a pushf+popf.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48777 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.cpp | 4 | ||||
| -rw-r--r-- | test/CodeGen/X86/2008-01-08-SchedulerCrash.ll | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index dc267942e1..64cb358459 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -222,11 +222,15 @@ X86InstrInfo::X86InstrInfo(X86TargetMachine &tm) { X86::CALL64r, X86::CALL64m, 1 }, { X86::CMP16ri, X86::CMP16mi, 1 }, { X86::CMP16ri8, X86::CMP16mi8, 1 }, + { X86::CMP16rr, X86::CMP16mr, 1 }, { X86::CMP32ri, X86::CMP32mi, 1 }, { X86::CMP32ri8, X86::CMP32mi8, 1 }, + { X86::CMP32rr, X86::CMP32mr, 1 }, { X86::CMP64ri32, X86::CMP64mi32, 1 }, { X86::CMP64ri8, X86::CMP64mi8, 1 }, + { X86::CMP64rr, X86::CMP64mr, 1 }, { X86::CMP8ri, X86::CMP8mi, 1 }, + { X86::CMP8rr, X86::CMP8mr, 1 }, { X86::DIV16r, X86::DIV16m, 1 }, { X86::DIV32r, X86::DIV32m, 1 }, { X86::DIV64r, X86::DIV64m, 1 }, diff --git a/test/CodeGen/X86/2008-01-08-SchedulerCrash.ll b/test/CodeGen/X86/2008-01-08-SchedulerCrash.ll index f31a38e28b..8a1520c1fe 100644 --- a/test/CodeGen/X86/2008-01-08-SchedulerCrash.ll +++ b/test/CodeGen/X86/2008-01-08-SchedulerCrash.ll @@ -1,4 +1,4 @@ -; RUN: llvm-as < %s | llc -march=x86 +; RUN: llvm-as < %s | llc -march=x86 | not grep pushf %struct.indexentry = type { i32, i8*, i8*, i8*, i8*, i8* } |