[ARM GlobalISel] Add inst selector tests for G_FMA

We don't yet match all the patterns involving G_FMA. Add tests for some
of the ones that we do match.

llvm-svn: 322368
This commit is contained in:
Diana Picus 2018-01-12 12:44:36 +00:00
parent 2dc5405693
commit cf044647c4
2 changed files with 253 additions and 0 deletions

View File

@ -34,10 +34,19 @@
define void @test_vnmuls_reassociate() #3 { ret void }
define void @test_vnmuld() #3 { ret void }
define void @test_vfnmas() #4 { ret void }
define void @test_vfnmad() #4 { ret void }
define void @test_vfmss() #4 { ret void }
define void @test_vfmsd() #4 { ret void }
define void @test_vfnmss() #4 { ret void }
attributes #0 = { "target-features"="+v6" }
attributes #1 = { "target-features"="-v6" }
attributes #2 = { "target-features"="+v6t2" }
attributes #3 = { "target-features"="+vfp2" }
attributes #4 = { "target-features"="+vfp4" }
...
---
name: test_mla
@ -961,3 +970,175 @@ body: |
BX_RET 14, %noreg, implicit %d0
; CHECK: BX_RET 14, %noreg, implicit %d0
...
---
name: test_vfnmas
# CHECK-LABEL: name: test_vfnmas
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
- { id: 4, class: fprb }
body: |
bb.0:
liveins: %s0, %s1, %s2
%0(s32) = COPY %s0
%1(s32) = COPY %s1
%2(s32) = COPY %s2
; CHECK-DAG: [[VREGX:%[0-9]+]]:spr = COPY %s0
; CHECK-DAG: [[VREGY:%[0-9]+]]:spr = COPY %s1
; CHECK-DAG: [[VREGZ:%[0-9]+]]:spr = COPY %s2
%3(s32) = G_FMA %0, %1, %2
%4(s32) = G_FNEG %3
; CHECK: [[VREGR:%[0-9]+]]:spr = VFNMAS [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%s0 = COPY %4(s32)
; CHECK: %s0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %s0
; CHECK: BX_RET 14, %noreg, implicit %s0
...
---
name: test_vfnmad
# CHECK-LABEL: name: test_vfnmad
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
- { id: 4, class: fprb }
- { id: 5, class: fprb }
body: |
bb.0:
liveins: %d0, %d1, %d2
%0(s64) = COPY %d0
%1(s64) = COPY %d1
%2(s64) = COPY %d2
; CHECK-DAG: [[VREGX:%[0-9]+]]:dpr = COPY %d0
; CHECK-DAG: [[VREGY:%[0-9]+]]:dpr = COPY %d1
; CHECK-DAG: [[VREGZ:%[0-9]+]]:dpr = COPY %d2
%3(s64) = G_FNEG %0
%4(s64) = G_FNEG %2
%5(s64) = G_FMA %3, %1, %4
; CHECK: [[VREGR:%[0-9]+]]:dpr = VFNMAD [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%d0 = COPY %5(s64)
; CHECK: %d0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %d0
; CHECK: BX_RET 14, %noreg, implicit %d0
...
---
name: test_vfmss
# CHECK-LABEL: name: test_vfmss
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
- { id: 4, class: fprb }
body: |
bb.0:
liveins: %s0, %s1, %s2
%0(s32) = COPY %s0
%1(s32) = COPY %s1
%2(s32) = COPY %s2
; CHECK-DAG: [[VREGX:%[0-9]+]]:spr = COPY %s0
; CHECK-DAG: [[VREGY:%[0-9]+]]:spr = COPY %s1
; CHECK-DAG: [[VREGZ:%[0-9]+]]:spr = COPY %s2
%3(s32) = G_FNEG %0
%4(s32) = G_FMA %3, %1, %2
; CHECK: [[VREGR:%[0-9]+]]:spr = VFMSS [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%s0 = COPY %4(s32)
; CHECK: %s0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %s0
; CHECK: BX_RET 14, %noreg, implicit %s0
...
---
name: test_vfmsd
# CHECK-LABEL: name: test_vfmsd
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
- { id: 4, class: fprb }
body: |
bb.0:
liveins: %d0, %d1, %d2
%0(s64) = COPY %d0
%1(s64) = COPY %d1
%2(s64) = COPY %d2
; CHECK-DAG: [[VREGX:%[0-9]+]]:dpr = COPY %d0
; CHECK-DAG: [[VREGY:%[0-9]+]]:dpr = COPY %d1
; CHECK-DAG: [[VREGZ:%[0-9]+]]:dpr = COPY %d2
%3(s64) = G_FNEG %1
%4(s64) = G_FMA %0, %3, %2
; CHECK: [[VREGR:%[0-9]+]]:dpr = VFMSD [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%d0 = COPY %4(s64)
; CHECK: %d0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %d0
; CHECK: BX_RET 14, %noreg, implicit %d0
...
---
name: test_vfnmss
# CHECK-LABEL: name: test_vfnmss
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
- { id: 4, class: fprb }
body: |
bb.0:
liveins: %s0, %s1, %s2
%0(s32) = COPY %s0
%1(s32) = COPY %s1
%2(s32) = COPY %s2
; CHECK-DAG: [[VREGX:%[0-9]+]]:spr = COPY %s0
; CHECK-DAG: [[VREGY:%[0-9]+]]:spr = COPY %s1
; CHECK-DAG: [[VREGZ:%[0-9]+]]:spr = COPY %s2
%3(s32) = G_FNEG %2
%4(s32) = G_FMA %0, %1, %3
; CHECK: [[VREGR:%[0-9]+]]:spr = VFNMSS [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%s0 = COPY %4(s32)
; CHECK: %s0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %s0
; CHECK: BX_RET 14, %noreg, implicit %s0
...

View File

@ -27,6 +27,9 @@
define void @test_fneg_s32() #0 { ret void }
define void @test_fneg_s64() #0 { ret void }
define void @test_fma_s32() #4 { ret void }
define void @test_fma_s64() #4 { ret void }
define void @test_sub_s32() { ret void }
define void @test_sub_imm_s32() { ret void }
define void @test_sub_rev_imm_s32() { ret void }
@ -70,6 +73,7 @@
attributes #1 = { "target-features"="+v6" }
attributes #2 = { "target-features"="+hwdiv-arm" }
attributes #3 = { "target-features"="+v6t2" }
attributes #4 = { "target-features"="+vfp4,-neonfp" }
...
---
name: test_trunc_and_zext_s1
@ -664,6 +668,74 @@ body: |
; CHECK: BX_RET 14, %noreg, implicit %d0
...
---
name: test_fma_s32
# CHECK-LABEL: name: test_fma_s32
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
body: |
bb.0:
liveins: %s0, %s1, %s2
%0(s32) = COPY %s0
; CHECK: [[VREGX:%[0-9]+]]:spr = COPY %s0
%1(s32) = COPY %s1
; CHECK: [[VREGY:%[0-9]+]]:spr = COPY %s1
%2(s32) = COPY %s2
; CHECK: [[VREGZ:%[0-9]+]]:spr = COPY %s2
%3(s32) = G_FMA %0, %1, %2
; CHECK: [[VREGR:%[0-9]+]]:spr = VFMAS [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%s0 = COPY %3(s32)
; CHECK: %s0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %s0
; CHECK: BX_RET 14, %noreg, implicit %s0
...
---
name: test_fma_s64
# CHECK-LABEL: name: test_fma_s64
legalized: true
regBankSelected: true
selected: false
# CHECK: selected: true
registers:
- { id: 0, class: fprb }
- { id: 1, class: fprb }
- { id: 2, class: fprb }
- { id: 3, class: fprb }
body: |
bb.0:
liveins: %d0, %d1, %d2
%0(s64) = COPY %d0
; CHECK: [[VREGX:%[0-9]+]]:dpr = COPY %d0
%1(s64) = COPY %d1
; CHECK: [[VREGY:%[0-9]+]]:dpr = COPY %d1
%2(s64) = COPY %d2
; CHECK: [[VREGZ:%[0-9]+]]:dpr = COPY %d2
%3(s64) = G_FMA %0, %1, %2
; CHECK: [[VREGR:%[0-9]+]]:dpr = VFMAD [[VREGZ]], [[VREGX]], [[VREGY]], 14, %noreg
%d0 = COPY %3(s64)
; CHECK: %d0 = COPY [[VREGR]]
BX_RET 14, %noreg, implicit %d0
; CHECK: BX_RET 14, %noreg, implicit %d0
...
---
name: test_sub_s32
# CHECK-LABEL: name: test_sub_s32
legalized: true