[llvm] r304971 - [ARM] GlobalISel: Add more tests. NFC
Diana Picus via llvm-commits
llvm-commits at lists.llvm.org
Thu Jun 8 02:47:30 PDT 2017
Author: rovka
Date: Thu Jun 8 04:47:30 2017
New Revision: 304971
URL: http://llvm.org/viewvc/llvm-project?rev=304971&view=rev
Log:
[ARM] GlobalISel: Add more tests. NFC
Add a couple of tests to increase coverage for the TableGen'erated code,
in particular for rules where 2 generic instructions may be combined
into a single machine instruction.
Added:
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select-combos.mir
Added: llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select-combos.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select-combos.mir?rev=304971&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select-combos.mir (added)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select-combos.mir Thu Jun 8 04:47:30 2017
@@ -0,0 +1,149 @@
+# RUN: llc -O0 -mtriple arm-- -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s
+--- |
+ define void @test_mla() #0 { ret void }
+ define void @test_mla_v5() #1 { ret void }
+
+ define void @test_mls() #2 { ret void }
+ define void @test_no_mls() { ret void }
+
+ attributes #0 = { "target-features"="+v6" }
+ attributes #1 = { "target-features"="-v6" }
+ attributes #2 = { "target-features"="+v6t2" }
+...
+---
+name: test_mla
+# CHECK-LABEL: name: test_mla
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+ - { id: 3, class: gprb }
+ - { id: 4, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1, %r2
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = COPY %r2
+ ; CHECK: [[VREGX:%[0-9]+]] = COPY %r0
+ ; CHECK: [[VREGY:%[0-9]+]] = COPY %r1
+ ; CHECK: [[VREGZ:%[0-9]+]] = COPY %r2
+
+ %3(s32) = G_MUL %0, %1
+ %4(s32) = G_ADD %3, %2
+ ; CHECK: [[VREGR:%[0-9]+]] = MLA [[VREGX]], [[VREGY]], [[VREGZ]], 14, _, _
+
+ %r0 = COPY %4(s32)
+ ; CHECK: %r0 = COPY [[VREGR]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_mla_v5
+# CHECK-LABEL: name: test_mla_v5
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+ - { id: 3, class: gprb }
+ - { id: 4, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1, %r2
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = COPY %r2
+ ; CHECK: [[VREGX:%[0-9]+]] = COPY %r0
+ ; CHECK: [[VREGY:%[0-9]+]] = COPY %r1
+ ; CHECK: [[VREGZ:%[0-9]+]] = COPY %r2
+
+ %3(s32) = G_MUL %0, %1
+ %4(s32) = G_ADD %3, %2
+ ; CHECK: [[VREGR:%[0-9]+]] = MLAv5 [[VREGX]], [[VREGY]], [[VREGZ]], 14, _, _
+
+ %r0 = COPY %4(s32)
+ ; CHECK: %r0 = COPY [[VREGR]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_mls
+# CHECK-LABEL: name: test_mls
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+ - { id: 3, class: gprb }
+ - { id: 4, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1, %r2
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = COPY %r2
+ ; CHECK: [[VREGX:%[0-9]+]] = COPY %r0
+ ; CHECK: [[VREGY:%[0-9]+]] = COPY %r1
+ ; CHECK: [[VREGZ:%[0-9]+]] = COPY %r2
+
+ %3(s32) = G_MUL %0, %1
+ %4(s32) = G_SUB %2, %3
+ ; CHECK: [[VREGR:%[0-9]+]] = MLS [[VREGX]], [[VREGY]], [[VREGZ]], 14, _
+
+ %r0 = COPY %4(s32)
+ ; CHECK: %r0 = COPY [[VREGR]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_no_mls
+# CHECK-LABEL: name: test_no_mls
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+ - { id: 3, class: gprb }
+ - { id: 4, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1, %r2
+
+ %0(s32) = COPY %r0
+ %1(s32) = COPY %r1
+ %2(s32) = COPY %r2
+ ; CHECK: [[VREGX:%[0-9]+]] = COPY %r0
+ ; CHECK: [[VREGY:%[0-9]+]] = COPY %r1
+ ; CHECK: [[VREGZ:%[0-9]+]] = COPY %r2
+
+ %3(s32) = G_MUL %0, %1
+ %4(s32) = G_SUB %2, %3
+ ; CHECK: [[VREGM:%[0-9]+]] = MULv5 [[VREGX]], [[VREGY]], 14, _, _
+ ; CHECK: [[VREGR:%[0-9]+]] = SUBrr [[VREGZ]], [[VREGM]], 14, _, _
+
+ %r0 = COPY %4(s32)
+ ; CHECK: %r0 = COPY [[VREGR]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
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