[llvm] r304885 - [ARM] GlobalISel: Support G_AND
Diana Picus via llvm-commits
llvm-commits at lists.llvm.org
Wed Jun 7 02:17:41 PDT 2017
Author: rovka
Date: Wed Jun 7 04:17:41 2017
New Revision: 304885
URL: http://llvm.org/viewvc/llvm-project?rev=304885&view=rev
Log:
[ARM] GlobalISel: Support G_AND
This is identical to the support for the other binary operators:
- widen to s32
- map into GPR
- select ANDrr (via TableGen'erated code)
Modified:
llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
llvm/trunk/lib/Target/ARM/ARMRegisterBankInfo.cpp
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-isel.ll
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-regbankselect.mir
Modified: llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp Wed Jun 7 04:17:41 2017
@@ -45,7 +45,7 @@ ARMLegalizerInfo::ARMLegalizerInfo(const
setAction({Op, 1, p0}, Legal);
}
- for (unsigned Op : {G_ADD, G_SUB, G_MUL}) {
+ for (unsigned Op : {G_ADD, G_SUB, G_MUL, G_AND}) {
for (auto Ty : {s1, s8, s16})
setAction({Op, Ty}, WidenScalar);
setAction({Op, s32}, Legal);
Modified: llvm/trunk/lib/Target/ARM/ARMRegisterBankInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMRegisterBankInfo.cpp?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMRegisterBankInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMRegisterBankInfo.cpp Wed Jun 7 04:17:41 2017
@@ -221,6 +221,7 @@ ARMRegisterBankInfo::getInstrMapping(con
case G_ADD:
case G_SUB:
case G_MUL:
+ case G_AND:
case G_SDIV:
case G_UDIV:
case G_SEXT:
Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir Wed Jun 7 04:17:41 2017
@@ -28,6 +28,8 @@
define void @test_sdiv_s32() #2 { ret void }
define void @test_udiv_s32() #2 { ret void }
+ define void @test_and_s32() { ret void }
+
define void @test_load_from_stack() { ret void }
define void @test_load_f32() #0 { ret void }
define void @test_load_f64() #0 { ret void }
@@ -778,6 +780,39 @@ body: |
%r0 = COPY %2(s32)
; CHECK: %r0 = COPY [[VREGRES]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_and_s32
+# CHECK-LABEL: name: test_and_s32
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+# CHECK: id: 0, class: gpr
+# CHECK: id: 1, class: gpr
+# CHECK: id: 2, class: gpr
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s32) = COPY %r0
+ ; CHECK: [[VREGX:%[0-9]+]] = COPY %r0
+
+ %1(s32) = COPY %r1
+ ; CHECK: [[VREGY:%[0-9]+]] = COPY %r1
+
+ %2(s32) = G_AND %0, %1
+ ; CHECK: [[VREGRES:%[0-9]+]] = ANDrr [[VREGX]], [[VREGY]], 14, _
+
+ %r0 = COPY %2(s32)
+ ; CHECK: %r0 = COPY [[VREGRES]]
BX_RET 14, _, implicit %r0
; CHECK: BX_RET 14, _, implicit %r0
Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-isel.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-isel.ll?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-isel.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-isel.ll Wed Jun 7 04:17:41 2017
@@ -153,6 +153,33 @@ entry:
ret i32 %sum
}
+define i8 @test_and_i8(i8 %x, i8 %y) {
+; CHECK-LABEL: test_and_i8:
+; CHECK: and r0, r0, r1
+; CHECK: bx lr
+entry:
+ %sum = and i8 %x, %y
+ ret i8 %sum
+}
+
+define i16 @test_and_i16(i16 %x, i16 %y) {
+; CHECK-LABEL: test_and_i16:
+; CHECK: and r0, r0, r1
+; CHECK: bx lr
+entry:
+ %sum = and i16 %x, %y
+ ret i16 %sum
+}
+
+define i32 @test_and_i32(i32 %x, i32 %y) {
+; CHECK-LABEL: test_and_i32:
+; CHECK: and r0, r0, r1
+; CHECK: bx lr
+entry:
+ %sum = and i32 %x, %y
+ ret i32 %sum
+}
+
define i32 @test_stack_args_i32(i32 %p0, i32 %p1, i32 %p2, i32 %p3, i32 %p4, i32 %p5) {
; CHECK-LABEL: test_stack_args_i32:
; CHECK: add [[P5ADDR:r[0-9]+]], sp, #4
Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir Wed Jun 7 04:17:41 2017
@@ -15,6 +15,10 @@
define void @test_mul_s16() { ret void }
define void @test_mul_s32() { ret void }
+ define void @test_and_s8() { ret void }
+ define void @test_and_s16() { ret void }
+ define void @test_and_s32() { ret void }
+
define void @test_load_from_stack() { ret void }
define void @test_legal_loads() #0 { ret void }
define void @test_legal_stores() #0 { ret void }
@@ -299,6 +303,82 @@ body: |
%r0 = COPY %2(s32)
BX_RET 14, _, implicit %r0
+...
+---
+name: test_and_s8
+# CHECK-LABEL: name: test_and_s8
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s8) = COPY %r0
+ %1(s8) = COPY %r1
+ %2(s8) = G_AND %0, %1
+ ; G_AND with s8 should widen
+ ; CHECK: {{%[0-9]+}}(s32) = G_AND {{%[0-9]+, %[0-9]+}}
+ ; CHECK-NOT: {{%[0-9]+}}(s8) = G_AND {{%[0-9]+, %[0-9]+}}
+ %r0 = COPY %2(s8)
+ BX_RET 14, _, implicit %r0
+...
+---
+name: test_and_s16
+# CHECK-LABEL: name: test_and_s16
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s16) = COPY %r0
+ %1(s16) = COPY %r1
+ %2(s16) = G_AND %0, %1
+ ; G_AND with s16 should widen
+ ; CHECK: {{%[0-9]+}}(s32) = G_AND {{%[0-9]+, %[0-9]+}}
+ ; CHECK-NOT: {{%[0-9]+}}(s16) = G_AND {{%[0-9]+, %[0-9]+}}
+ %r0 = COPY %2(s16)
+ BX_RET 14, _, implicit %r0
+
+...
+---
+name: test_and_s32
+# CHECK-LABEL: name: test_and_s32
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = G_AND %0, %1
+ ; G_AND with s32 is legal, so we should find it unchanged in the output
+ ; CHECK: {{%[0-9]+}}(s32) = G_AND {{%[0-9]+, %[0-9]+}}
+ %r0 = COPY %2(s32)
+ BX_RET 14, _, implicit %r0
+
...
---
name: test_load_from_stack
Modified: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-regbankselect.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-regbankselect.mir?rev=304885&r1=304884&r2=304885&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-regbankselect.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-regbankselect.mir Wed Jun 7 04:17:41 2017
@@ -16,6 +16,8 @@
define void @test_sdiv_s32() #1 { ret void }
define void @test_udiv_s32() #1 { ret void }
+ define void @test_and_s32() { ret void}
+
define void @test_loads() #0 { ret void }
define void @test_stores() #0 { ret void }
@@ -412,6 +414,32 @@ body: |
%r0 = COPY %2(s32)
BX_RET 14, _, implicit %r0
+...
+---
+name: test_and_s32
+# CHECK-LABEL: name: test_and_s32
+legalized: true
+regBankSelected: false
+selected: false
+# CHECK: registers:
+# CHECK: - { id: 0, class: gprb, preferred-register: '' }
+# CHECK: - { id: 1, class: gprb, preferred-register: '' }
+# CHECK: - { id: 2, class: gprb, preferred-register: '' }
+
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+ - { id: 2, class: _ }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = G_AND %0, %1
+ %r0 = COPY %2(s32)
+ BX_RET 14, _, implicit %r0
+
...
---
name: test_loads
More information about the llvm-commits
mailing list