llvm-6502/test/CodeGen/SystemZ
Richard Sandiford 23c9710636 [SystemZ] Optimize comparisons with truncated extended loads
If the extension of a loaded value is compared against zero and used in
other arithmetic, InstCombine will change the comparison to use the
unextended load.  It's also possible that the comparison could be against
the unextended load from the outset.

In DAG form this becomes a truncation of an extending load.  We want to
strip the truncation if possible so that we can use load-and-test instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197804 91177308-0d34-0410-b5e6-96231b3b80d8
2013-12-20 11:56:02 +00:00
..
Large Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:36:34 +00:00
addr-01.ll
addr-02.ll
addr-03.ll
alias-01.ll [SystemZ] Set usaAA to true 2013-10-28 13:53:37 +00:00
alloca-01.ll
alloca-02.ll [SystemZ] Prefer LHI;ST... over LAY;MV... 2013-08-23 11:18:53 +00:00
and-01.ll
and-02.ll
and-03.ll
and-04.ll
and-05.ll
and-06.ll
and-07.ll
and-08.ll TBAA: update tbaa format from scalar format to struct-path aware format. 2013-09-30 18:17:55 +00:00
args-01.ll
args-02.ll
args-03.ll
args-04.ll
args-05.ll
args-06.ll [SystemZ] Improve extload handling 2013-09-16 09:03:10 +00:00
asm-01.ll
asm-02.ll
asm-03.ll
asm-04.ll
asm-05.ll
asm-06.ll
asm-07.ll
asm-08.ll
asm-09.ll
asm-10.ll
asm-11.ll
asm-12.ll
asm-13.ll
asm-14.ll
asm-15.ll
asm-16.ll
asm-17.ll Fix test typo and add usual "br %r14" test 2013-08-20 09:14:46 +00:00
asm-18.ll [SystemZ] Add comparisons of high words and memory 2013-10-01 15:00:44 +00:00
atomic-load-01.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-load-02.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-load-03.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-load-04.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-store-01.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-store-02.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-store-03.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomic-store-04.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
atomicrmw-add-01.ll
atomicrmw-add-02.ll
atomicrmw-add-03.ll
atomicrmw-add-04.ll
atomicrmw-and-01.ll
atomicrmw-and-02.ll
atomicrmw-and-03.ll
atomicrmw-and-04.ll
atomicrmw-minmax-01.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
atomicrmw-minmax-02.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
atomicrmw-minmax-03.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
atomicrmw-minmax-04.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
atomicrmw-nand-01.ll
atomicrmw-nand-02.ll
atomicrmw-nand-03.ll
atomicrmw-nand-04.ll
atomicrmw-or-01.ll
atomicrmw-or-02.ll
atomicrmw-or-03.ll
atomicrmw-or-04.ll
atomicrmw-sub-01.ll
atomicrmw-sub-02.ll
atomicrmw-sub-03.ll
atomicrmw-sub-04.ll
atomicrmw-xchg-01.ll
atomicrmw-xchg-02.ll
atomicrmw-xchg-03.ll
atomicrmw-xchg-04.ll
atomicrmw-xor-01.ll
atomicrmw-xor-02.ll
atomicrmw-xor-03.ll
atomicrmw-xor-04.ll
branch-01.ll
branch-02.ll
branch-03.ll
branch-04.ll
branch-05.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
branch-06.ll [SystemZ] Tweak integer comparison code 2013-09-06 11:51:39 +00:00
branch-07.ll [SystemZ] Improve handling of SETCC 2013-10-16 11:10:55 +00:00
branch-08.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
branch-09.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
branch-10.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
bswap-01.ll
bswap-02.ll [SystemZ] Set usaAA to true 2013-10-28 13:53:37 +00:00
bswap-03.ll
bswap-04.ll
bswap-05.ll
call-01.ll
call-02.ll
call-03.ll
cmpxchg-01.ll
cmpxchg-02.ll
cmpxchg-03.ll
cmpxchg-04.ll
cond-load-01.ll
cond-load-02.ll
cond-move-01.ll
cond-store-01.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
cond-store-02.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
cond-store-03.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
cond-store-04.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:49:34 +00:00
cond-store-05.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
cond-store-06.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
cond-store-07.ll
cond-store-08.ll
fp-abs-01.ll
fp-abs-02.ll
fp-add-01.ll
fp-add-02.ll
fp-add-03.ll
fp-cmp-01.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
fp-cmp-02.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
fp-cmp-03.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
fp-cmp-04.ll [SystemZ] Optimize fcmp X, 0 in cases where X is also negated 2013-12-11 11:45:08 +00:00
fp-const-01.ll
fp-const-02.ll
fp-const-03.ll
fp-const-04.ll
fp-const-05.ll
fp-const-06.ll
fp-const-07.ll
fp-const-08.ll
fp-const-09.ll
fp-conv-01.ll
fp-conv-02.ll
fp-conv-03.ll
fp-conv-04.ll
fp-conv-05.ll
fp-conv-06.ll
fp-conv-07.ll
fp-conv-08.ll
fp-conv-09.ll
fp-conv-10.ll
fp-conv-11.ll
fp-conv-12.ll
fp-copysign-01.ll
fp-div-01.ll
fp-div-02.ll
fp-div-03.ll
fp-move-01.ll
fp-move-02.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
fp-move-03.ll
fp-move-04.ll
fp-move-05.ll
fp-move-06.ll
fp-move-07.ll
fp-move-08.ll
fp-move-09.ll [SystemZ] Extend pseudo conditional 8- and 16-bit stores to high words 2013-10-01 14:33:55 +00:00
fp-mul-01.ll
fp-mul-02.ll
fp-mul-03.ll
fp-mul-04.ll
fp-mul-05.ll
fp-mul-06.ll
fp-mul-07.ll
fp-mul-08.ll
fp-mul-09.ll
fp-neg-01.ll
fp-round-01.ll [SystemZ] Use FI[EDX]BRA for codegen 2013-08-21 09:04:20 +00:00
fp-round-02.ll [SystemZ] Use FI[EDX]BRA for codegen 2013-08-21 09:04:20 +00:00
fp-sqrt-01.ll Turn MipsOptimizeMathLibCalls into a target-independent scalar transform 2013-08-23 10:27:02 +00:00
fp-sqrt-02.ll Turn MipsOptimizeMathLibCalls into a target-independent scalar transform 2013-08-23 10:27:02 +00:00
fp-sqrt-03.ll
fp-sub-01.ll
fp-sub-02.ll
fp-sub-03.ll
frame-01.ll
frame-02.ll
frame-03.ll
frame-04.ll
frame-05.ll
frame-06.ll
frame-07.ll
frame-08.ll
frame-09.ll
frame-10.ll
frame-11.ll
frame-13.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:36:34 +00:00
frame-14.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:36:34 +00:00
frame-15.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
frame-16.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
frame-17.ll
frame-18.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
insert-01.ll
insert-02.ll
insert-03.ll
insert-04.ll
insert-05.ll
insert-06.ll Extend (truncate (load)) folding 2013-12-11 11:37:27 +00:00
int-abs-01.ll [SystemZ] Extend integer absolute selection 2013-12-13 15:35:00 +00:00
int-add-01.ll
int-add-02.ll
int-add-03.ll
int-add-04.ll
int-add-05.ll
int-add-06.ll
int-add-07.ll
int-add-08.ll
int-add-09.ll [SystemZ] Set usaAA to true 2013-10-28 13:53:37 +00:00
int-add-10.ll [SystemZ] Set usaAA to true 2013-10-28 13:53:37 +00:00
int-add-11.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
int-add-12.ll [SystemZ] Use A(G)SI when spilling the target of a constant addition 2013-10-15 08:42:59 +00:00
int-add-13.ll
int-add-14.ll
int-add-15.ll
int-add-16.ll
int-cmp-01.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-02.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-03.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-04.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-05.ll [SystemZ] Extend the use of C(L)GFR 2013-12-06 09:56:50 +00:00
int-cmp-06.ll [SystemZ] Extend the use of C(L)GFR 2013-12-06 09:56:50 +00:00
int-cmp-07.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-08.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-09.ll
int-cmp-10.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-11.ll
int-cmp-12.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-13.ll
int-cmp-14.ll
int-cmp-15.ll
int-cmp-16.ll
int-cmp-17.ll
int-cmp-18.ll
int-cmp-19.ll
int-cmp-20.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-21.ll
int-cmp-22.ll
int-cmp-23.ll
int-cmp-24.ll
int-cmp-25.ll
int-cmp-26.ll
int-cmp-27.ll
int-cmp-28.ll
int-cmp-29.ll
int-cmp-30.ll
int-cmp-31.ll
int-cmp-32.ll
int-cmp-33.ll
int-cmp-34.ll
int-cmp-35.ll
int-cmp-36.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-37.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-38.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-39.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-40.ll [SystemZ] Add unsigned compare-and-branch instructions 2013-09-18 09:56:40 +00:00
int-cmp-41.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-42.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-43.ll [SystemZ] Try reversing comparisons whose first operand is in memory 2013-08-23 11:27:19 +00:00
int-cmp-44.ll [SystemZ] Optimize comparisons with truncated extended loads 2013-12-20 11:56:02 +00:00
int-cmp-45.ll
int-cmp-46.ll [SystemZ] Try to fold shifts into TMxx 2013-09-13 09:09:50 +00:00
int-cmp-47.ll [SystemZ] Make more use of TMHH 2013-12-13 15:46:55 +00:00
int-cmp-48.ll [SystemZ] Add TM and TMY 2013-09-10 10:20:32 +00:00
int-cmp-49.ll [SystemZ] Fix TMHH and TMHL usage for z10 with -O0 2013-11-22 17:28:28 +00:00
int-const-01.ll
int-const-02.ll
int-const-03.ll [SystemZ] Prefer LHI;ST... over LAY;MV... 2013-08-23 11:18:53 +00:00
int-const-04.ll [SystemZ] Prefer LHI;ST... over LAY;MV... 2013-08-23 11:18:53 +00:00
int-const-05.ll [SystemZ] Prefer LHI;ST... over LAY;MV... 2013-08-23 11:18:53 +00:00
int-const-06.ll [SystemZ] Prefer LHI;ST... over LAY;MV... 2013-08-23 11:18:53 +00:00
int-conv-01.ll
int-conv-02.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
int-conv-03.ll
int-conv-04.ll
int-conv-05.ll
int-conv-06.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
int-conv-07.ll
int-conv-08.ll
int-conv-09.ll
int-conv-10.ll
int-conv-11.ll [SystemZ] Add register zero extensions involving at least one high word 2013-10-01 12:49:07 +00:00
int-div-01.ll Revert "Add -mcpu=z10 to SystemZ tests." 2013-12-18 23:04:37 +00:00
int-div-02.ll
int-div-03.ll Revert "Add -mcpu=z10 to SystemZ tests." 2013-12-18 23:04:37 +00:00
int-div-04.ll Revert "Add -mcpu=z10 to SystemZ tests." 2013-12-18 23:04:37 +00:00
int-div-05.ll
int-div-06.ll [SystemZ] Define remainig *MUL_LOHI patterns 2013-08-21 09:34:56 +00:00
int-move-01.ll
int-move-02.ll
int-move-03.ll
int-move-04.ll
int-move-05.ll
int-move-06.ll
int-move-07.ll
int-move-08.ll [SystemZ] Improve handling of PC-relative addresses 2013-09-27 15:14:04 +00:00
int-move-09.ll
int-mul-01.ll
int-mul-02.ll
int-mul-03.ll
int-mul-04.ll
int-mul-05.ll
int-mul-06.ll
int-mul-07.ll
int-mul-08.ll Revert "Add -mcpu=z10 to SystemZ tests." 2013-12-18 23:04:37 +00:00
int-neg-01.ll
int-neg-02.ll [SystemZ] Extend integer absolute selection 2013-12-13 15:35:00 +00:00
int-sub-01.ll
int-sub-02.ll
int-sub-03.ll
int-sub-04.ll
int-sub-05.ll
int-sub-06.ll
int-sub-07.ll
int-sub-08.ll
int-sub-09.ll
la-01.ll
la-02.ll
la-03.ll
la-04.ll
lit.local.cfg
loop-01.ll
memchr-01.ll [SystemZ] Use SRST to optimize memchr 2013-08-20 09:38:48 +00:00
memchr-02.ll [SystemZ] Use SRST to optimize memchr 2013-08-20 09:38:48 +00:00
memcmp-01.ll [SystemZ] Extend memcmp support to all constant lengths 2013-08-28 09:01:51 +00:00
memcmp-02.ll [SystemZ] Extend memcmp support to all constant lengths 2013-08-28 09:01:51 +00:00
memcpy-01.ll [SystemZ] Extend memcpy and memset support to all constant lengths 2013-08-27 09:54:29 +00:00
memcpy-02.ll TBAA: handle scalar TBAA format and struct-path aware TBAA format. 2013-09-27 18:34:27 +00:00
memset-01.ll [SystemZ] Extend memcpy and memset support to all constant lengths 2013-08-27 09:54:29 +00:00
memset-02.ll [SystemZ] Extend memcpy and memset support to all constant lengths 2013-08-27 09:54:29 +00:00
memset-03.ll [SystemZ] Use XC for a memset of 0 2013-09-06 10:25:07 +00:00
memset-04.ll [SystemZ] Extend memcpy and memset support to all constant lengths 2013-08-27 09:54:29 +00:00
or-01.ll
or-02.ll
or-03.ll
or-04.ll
or-05.ll
or-06.ll
or-07.ll
or-08.ll [SystemZ] Add NC, OC and XC 2013-09-05 10:36:45 +00:00
prefetch-01.ll [SystemZ] Add basic prefetch support 2013-08-23 11:36:42 +00:00
risbg-01.ll [SystemZ] Extend RISBG optimization 2013-12-20 11:49:48 +00:00
risbg-02.ll
rnsbg-01.ll
rosbg-01.ll
rxsbg-01.ll
selectcc-01.ll [SystemZ] Optimize selects between 0 and -1 2013-12-06 09:53:09 +00:00
selectcc-02.ll [SystemZ] Optimize selects between 0 and -1 2013-12-06 09:53:09 +00:00
selectcc-03.ll [SystemZ] Optimize selects between 0 and -1 2013-12-06 09:53:09 +00:00
serialize-01.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:36:34 +00:00
setcc-01.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
setcc-02.ll [SystemZ] Automatically detect zEC12 and z196 hosts 2013-10-31 12:14:17 +00:00
shift-01.ll
shift-02.ll
shift-03.ll
shift-04.ll
shift-05.ll
shift-06.ll
shift-07.ll
shift-08.ll
shift-09.ll
shift-10.ll Replace sra with srl if a single sign bit is required 2013-10-17 11:16:57 +00:00
spill-01.ll Add TargetLowering::prepareVolatileOrAtomicLoad 2013-12-10 10:36:34 +00:00
strcmp-01.ll
strcmp-02.ll
strcpy-01.ll
strlen-01.ll
strlen-02.ll
tls-01.ll
unaligned-01.ll [SystemZ] Set usaAA to true 2013-10-28 13:53:37 +00:00
xor-01.ll
xor-02.ll
xor-03.ll
xor-04.ll
xor-05.ll
xor-06.ll
xor-07.ll
xor-08.ll [SystemZ] Add NC, OC and XC 2013-09-05 10:36:45 +00:00