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| author | Kyle Butt <kyle+llvm@iteratee.net> | 2017-01-10 23:04:30 +0000 |
|---|---|---|
| committer | Kyle Butt <kyle+llvm@iteratee.net> | 2017-01-10 23:04:30 +0000 |
| commit | df27aa8c89ce96f7b01a0919697b0ea1505c01f3 (patch) | |
| tree | 151faba3e276de822dbdf68c5e5b8e145afe2ed6 /llvm/test/CodeGen/Mips/llvm-ir/ashr.ll | |
| parent | 623270694bbdfb598d4063d0f8237c0c5d4f37ef (diff) | |
| download | bcm5719-llvm-df27aa8c89ce96f7b01a0919697b0ea1505c01f3.tar.gz bcm5719-llvm-df27aa8c89ce96f7b01a0919697b0ea1505c01f3.zip | |
CodeGen: Allow small copyable blocks to "break" the CFG.
When choosing the best successor for a block, ordinarily we would have preferred
a block that preserves the CFG unless there is a strong probability the other
direction. For small blocks that can be duplicated we now skip that requirement
as well.
Differential revision: https://reviews.llvm.org/D27742
llvm-svn: 291609
Diffstat (limited to 'llvm/test/CodeGen/Mips/llvm-ir/ashr.ll')
| -rw-r--r-- | llvm/test/CodeGen/Mips/llvm-ir/ashr.ll | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll b/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll index c8d0e76f94e..5b39ba408a0 100644 --- a/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll +++ b/llvm/test/CodeGen/Mips/llvm-ir/ashr.ll @@ -91,12 +91,13 @@ entry: ; M2: sllv $[[T5:[0-9]+]], $[[T4]], $[[T3]] ; M2: or $3, $[[T3]], $[[T2]] ; M2: $[[BB0]]: - ; M2: beqz $[[T1]], $[[BB1:BB[0-9_]+]] + ; M2: bnez $[[T1]], $[[BB1:BB[0-9_]+]] ; M2: nop - ; M2: sra $2, $4, 31 - ; M2: $[[BB1]]: ; M2: jr $ra ; M2: nop + ; M2: $[[BB1]]: + ; M2: jr $ra + ; M2: sra $2, $4, 31 ; 32R1-R5: srlv $[[T0:[0-9]+]], $5, $7 ; 32R1-R5: not $[[T1:[0-9]+]], $7 @@ -177,12 +178,13 @@ entry: ; M3: dsllv $[[T7:[0-9]+]], $[[T5]], $[[T6]] ; M3: or $3, $[[T7]], $[[T4]] ; M3: [[BB0]]: - ; M3: beqz $[[T3]], [[BB1:.LBB[0-9_]+]] + ; M3: bnez $[[T3]], [[BB1:.LBB[0-9_]+]] ; M3: nop - ; M3: dsra $2, $4, 63 - ; M3: [[BB1]]: ; M3: jr $ra ; M3: nop + ; M3: [[BB1]]: + ; M3: jr $ra + ; M3: dsra $2, $4, 63 ; GP64-NOT-R6: dsrlv $[[T0:[0-9]+]], $5, $7 ; GP64-NOT-R6: dsll $[[T1:[0-9]+]], $4, 1 |
