[llvm] r318643 - [ARM GlobalISel] Add test for RSBri. NFC
Diana Picus via llvm-commits
llvm-commits at lists.llvm.org
Mon Nov 20 03:05:31 PST 2017
Author: rovka
Date: Mon Nov 20 03:05:31 2017
New Revision: 318643
URL: http://llvm.org/viewvc/llvm-project?rev=318643&view=rev
Log:
[ARM GlobalISel] Add test for RSBri. NFC
Add instruction selector test for RSBri, which is derived from
AsI1_rbin_irs, and make sure it doesn't get mistaken for SUBri, which is
derived from the very similar AsI1_bin_irs pattern.
Modified:
llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir
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=318643&r1=318642&r2=318643&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir (original)
+++ llvm/trunk/test/CodeGen/ARM/GlobalISel/arm-instruction-select.mir Mon Nov 20 03:05:31 2017
@@ -18,6 +18,8 @@
define void @test_fsub_s64() #0 { 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 }
define void @test_mul_s32() #1 { ret void }
define void @test_mulv5_s32() { ret void }
@@ -466,6 +468,62 @@ body: |
%r0 = COPY %2(s32)
; CHECK: %r0 = COPY [[VREGRES]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_sub_imm_s32
+# CHECK-LABEL: name: test_sub_imm_s32
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s32) = COPY %r0
+ ; CHECK: [[VREGX:%[0-9]+]]:gpr = COPY %r0
+
+ %1(s32) = G_CONSTANT i32 17
+ %2(s32) = G_SUB %0, %1
+ ; CHECK: [[VREGRES:%[0-9]+]]:gpr = SUBri [[VREGX]], 17, 14, _, _
+
+ %r0 = COPY %2(s32)
+ ; CHECK: %r0 = COPY [[VREGRES]]
+
+ BX_RET 14, _, implicit %r0
+ ; CHECK: BX_RET 14, _, implicit %r0
+...
+---
+name: test_sub_rev_imm_s32
+# CHECK-LABEL: name: test_sub_rev_imm_s32
+legalized: true
+regBankSelected: true
+selected: false
+# CHECK: selected: true
+registers:
+ - { id: 0, class: gprb }
+ - { id: 1, class: gprb }
+ - { id: 2, class: gprb }
+body: |
+ bb.0:
+ liveins: %r0, %r1
+
+ %0(s32) = COPY %r0
+ ; CHECK: [[VREGX:%[0-9]+]]:gpr = COPY %r0
+
+ %1(s32) = G_CONSTANT i32 17
+ %2(s32) = G_SUB %1, %0
+ ; CHECK: [[VREGRES:%[0-9]+]]:gpr = RSBri [[VREGX]], 17, 14, _, _
+
+ %r0 = COPY %2(s32)
+ ; CHECK: %r0 = COPY [[VREGRES]]
BX_RET 14, _, implicit %r0
; CHECK: BX_RET 14, _, implicit %r0
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