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| author | Akira Hatanaka <ahatanaka@mips.com> | 2012-06-13 20:33:18 +0000 |
|---|---|---|
| committer | Akira Hatanaka <ahatanaka@mips.com> | 2012-06-13 20:33:18 +0000 |
| commit | 8782707f5074ab3951eb6424394bc8d2a2fa584a (patch) | |
| tree | ee883b378ee78e6092120edb704593ce17bc1107 /test | |
| parent | e193b325837bee5f9a848a16077a6e156fe88fba (diff) | |
| download | external_llvm-8782707f5074ab3951eb6424394bc8d2a2fa584a.zip external_llvm-8782707f5074ab3951eb6424394bc8d2a2fa584a.tar.gz external_llvm-8782707f5074ab3951eb6424394bc8d2a2fa584a.tar.bz2 | |
Implement a DAGCombine in MipsISelLowering.cpp which transforms the following
pattern:
(add v0, (add v1, abs_lo(tjt))) => (add (add v0, v1), abs_lo(tjt))
"tjt" is a TargetJumpTable node.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158419 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/Mips/2010-07-20-Switch.ll | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/test/CodeGen/Mips/2010-07-20-Switch.ll b/test/CodeGen/Mips/2010-07-20-Switch.ll index 7e98ff7..ceaf2af 100644 --- a/test/CodeGen/Mips/2010-07-20-Switch.ll +++ b/test/CodeGen/Mips/2010-07-20-Switch.ll @@ -7,21 +7,20 @@ entry: %x = alloca i32, align 4 ; <i32*> [#uses=2] store volatile i32 2, i32* %x, align 4 %0 = load volatile i32* %x, align 4 ; <i32> [#uses=1] -; STATIC-O32: lui $[[R0:[0-9]+]], %hi($JTI0_0) -; STATIC-O32: addiu ${{[0-9]+}}, $[[R0]], %lo($JTI0_0) -; STATIC-O32: sll ${{[0-9]+}}, ${{[0-9]+}}, 2 -; PIC-O32: lw $[[R0:[0-9]+]], %got($JTI0_0) -; PIC-O32: addiu $[[R1:[0-9]+]], $[[R0]], %lo($JTI0_0) -; PIC-O32: sll $[[R2:[0-9]+]], ${{[0-9]+}}, 2 -; PIC-O32: addu $[[R3:[0-9]+]], $[[R2]], $[[R1]] -; PIC-O32: lw $[[R4:[0-9]+]], 0($[[R3]]) +; STATIC-O32: sll $[[R0:[0-9]+]], ${{[0-9]+}}, 2 +; STATIC-O32: lui $[[R1:[0-9]+]], %hi($JTI0_0) +; STATIC-O32: addu $[[R2:[0-9]+]], $[[R0]], $[[R1]] +; STATIC-O32: lw $[[R3:[0-9]+]], %lo($JTI0_0)($[[R2]]) +; PIC-O32: sll $[[R0:[0-9]+]], ${{[0-9]+}}, 2 +; PIC-O32: lw $[[R1:[0-9]+]], %got($JTI0_0) +; PIC-O32: addu $[[R2:[0-9]+]], $[[R0]], $[[R1]] +; PIC-O32: lw $[[R4:[0-9]+]], %lo($JTI0_0)($[[R2]]) ; PIC-O32: addu $[[R5:[0-9]+]], $[[R4:[0-9]+]] ; PIC-O32: jr $[[R5]] -; PIC-N64: ld $[[R0:[0-9]+]], %got_page($JTI0_0) -; PIC-N64: daddiu $[[R1:[0-9]+]], $[[R0]], %got_ofst($JTI0_0) -; PIC-N64: dsll $[[R2:[0-9]+]], ${{[0-9]+}}, 3 -; PIC-N64: daddu $[[R3:[0-9]+]], $[[R2:[0-9]+]], $[[R1]] -; PIC-N64: ld $[[R4:[0-9]+]], 0($[[R3]]) +; PIC-N64: dsll $[[R0:[0-9]+]], ${{[0-9]+}}, 3 +; PIC-N64: ld $[[R1:[0-9]+]], %got_page($JTI0_0) +; PIC-N64: daddu $[[R2:[0-9]+]], $[[R0:[0-9]+]], $[[R1]] +; PIC-N64: ld $[[R4:[0-9]+]], %got_ofst($JTI0_0)($[[R2]]) ; PIC-N64: daddu $[[R5:[0-9]+]], $[[R4:[0-9]+]] ; PIC-N64: jr $[[R5]] switch i32 %0, label %bb4 [ |