[llvm] r349147 - [ARM GlobalISel] Thumb2: casts between int and ptr
Diana Picus via llvm-commits
llvm-commits at lists.llvm.org
Fri Dec 14 05:45:38 PST 2018
Author: rovka
Date: Fri Dec 14 05:45:38 2018
New Revision: 349147
URL: http://llvm.org/viewvc/llvm-project?rev=349147&view=rev
Log:
[ARM GlobalISel] Thumb2: casts between int and ptr
Mark as legal and add tests. Nothing special to do.
Added:
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalize-casts.mir
llvm/trunk/test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir
Modified:
llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir
Modified: llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp?rev=349147&r1=349146&r2=349147&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMLegalizerInfo.cpp Fri Dec 14 05:45:38 2018
@@ -89,6 +89,9 @@ ARMLegalizerInfo::ARMLegalizerInfo(const
.legalFor({s32})
.minScalar(0, s32);
+ getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, s32}});
+ getActionDefinitionsBuilder(G_PTRTOINT).legalFor({{s32, p0}});
+
// We're keeping these builders around because we'll want to add support for
// floating point to them.
auto &LoadStoreBuilder =
@@ -129,9 +132,6 @@ ARMLegalizerInfo::ARMLegalizerInfo(const
setAction({Op, s32}, Libcall);
}
- getActionDefinitionsBuilder(G_INTTOPTR).legalFor({{p0, s32}});
- getActionDefinitionsBuilder(G_PTRTOINT).legalFor({{s32, p0}});
-
getActionDefinitionsBuilder({G_ASHR, G_LSHR, G_SHL}).legalFor({s32});
if (ST.hasV5TOps()) {
Added: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalize-casts.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalize-casts.mir?rev=349147&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalize-casts.mir (added)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalize-casts.mir Fri Dec 14 05:45:38 2018
@@ -0,0 +1,50 @@
+# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s
+# RUN: llc -mtriple thumb-- -mattr=+v6t2 -run-pass=legalizer %s -o - | FileCheck %s
+--- |
+ define void @test_inttoptr_s32() { ret void }
+ define void @test_ptrtoint_s32() { ret void }
+...
+---
+name: test_inttoptr_s32
+# CHECK-LABEL: name: test_inttoptr_s32
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+body: |
+ bb.0:
+ liveins: $r0
+
+ %0(s32) = COPY $r0
+ %1(p0) = G_INTTOPTR %0(s32)
+ ; G_INTTOPTR with s32 is legal, so we should find it unchanged in the output
+ ; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR {{%[0-9]+}}
+ $r0 = COPY %1(p0)
+ BX_RET 14, $noreg, implicit $r0
+...
+---
+name: test_ptrtoint_s32
+# CHECK-LABEL: name: test_ptrtoint_s32
+legalized: false
+# CHECK: legalized: true
+regBankSelected: false
+selected: false
+tracksRegLiveness: true
+registers:
+ - { id: 0, class: _ }
+ - { id: 1, class: _ }
+body: |
+ bb.0:
+ liveins: $r0
+
+ %0(p0) = COPY $r0
+ %1(s32) = G_PTRTOINT %0(p0)
+ ; G_PTRTOINT with s32 is legal, so we should find it unchanged in the output
+ ; CHECK: {{%[0-9]+}}:_(s32) = G_PTRTOINT {{%[0-9]+}}
+ $r0 = COPY %1(s32)
+ BX_RET 14, $noreg, implicit $r0
+...
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=349147&r1=349146&r2=349147&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-legalizer.mir Fri Dec 14 05:45:38 2018
@@ -1,8 +1,5 @@
# RUN: llc -mtriple arm-- -run-pass=legalizer %s -o - | FileCheck %s
--- |
- define void @test_inttoptr_s32() { ret void }
- define void @test_ptrtoint_s32() { ret void }
-
define void @test_lshr_s32() { ret void }
define void @test_ashr_s32() { ret void }
define void @test_shl_s32() { ret void }
@@ -34,50 +31,6 @@
attributes #0 = { "target-features"="+vfp2" }
...
---
-name: test_inttoptr_s32
-# CHECK-LABEL: name: test_inttoptr_s32
-legalized: false
-# CHECK: legalized: true
-regBankSelected: false
-selected: false
-tracksRegLiveness: true
-registers:
- - { id: 0, class: _ }
- - { id: 1, class: _ }
-body: |
- bb.0:
- liveins: $r0
-
- %0(s32) = COPY $r0
- %1(p0) = G_INTTOPTR %0(s32)
- ; G_INTTOPTR with s32 is legal, so we should find it unchanged in the output
- ; CHECK: {{%[0-9]+}}:_(p0) = G_INTTOPTR {{%[0-9]+}}
- $r0 = COPY %1(p0)
- BX_RET 14, $noreg, implicit $r0
-...
----
-name: test_ptrtoint_s32
-# CHECK-LABEL: name: test_ptrtoint_s32
-legalized: false
-# CHECK: legalized: true
-regBankSelected: false
-selected: false
-tracksRegLiveness: true
-registers:
- - { id: 0, class: _ }
- - { id: 1, class: _ }
-body: |
- bb.0:
- liveins: $r0
-
- %0(p0) = COPY $r0
- %1(s32) = G_PTRTOINT %0(p0)
- ; G_PTRTOINT with s32 is legal, so we should find it unchanged in the output
- ; CHECK: {{%[0-9]+}}:_(s32) = G_PTRTOINT {{%[0-9]+}}
- $r0 = COPY %1(s32)
- BX_RET 14, $noreg, implicit $r0
-...
----
name: test_lshr_s32
# CHECK-LABEL: name: test_lshr_s32
legalized: false
Added: llvm/trunk/test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir?rev=349147&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir (added)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/thumb-select-casts.mir Fri Dec 14 05:45:38 2018
@@ -0,0 +1,51 @@
+# RUN: llc -O0 -mtriple thumb-- -mattr=+v6t2 -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+--- |
+ define void @test_inttoptr_s32() { ret void }
+ define void @test_ptrtoint_s32() { ret void }
+...
+---
+name: test_inttoptr_s32
+# CHECK-LABEL: name: test_inttoptr_s32
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+body: |
+ bb.0:
+ liveins: $r0
+
+ %0(s32) = COPY $r0
+ %1(p0) = G_INTTOPTR %0(s32)
+ ; CHECK: [[INT:%[0-9]+]]:gpr = COPY $r0
+
+ $r0 = COPY %1(p0)
+ ; CHECK: $r0 = COPY [[INT]]
+
+ BX_RET 14, $noreg, implicit $r0
+...
+---
+name: test_ptrtoint_s32
+# CHECK-LABEL: name: test_ptrtoint_s32
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+body: |
+ bb.0:
+ liveins: $r0
+
+ %0(p0) = COPY $r0
+ %1(s32) = G_PTRTOINT %0(p0)
+ ; CHECK: [[PTR:%[0-9]+]]:gpr = COPY $r0
+
+ $r0 = COPY %1(s32)
+ ; CHECK: $r0 = COPY [[PTR]]
+
+ BX_RET 14, $noreg, implicit $r0
+...
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