From 769cd05232c1df957fa60747b80e2821f979a91f Mon Sep 17 00:00:00 2001
From: Igor Breger <igor.breger@intel.com>
Date: Sun, 9 Jul 2017 07:25:57 +0000
Subject: [PATCH] [GlobalISel][X86] Add legalizer tests for G_LOAD/G_STORE
 operations. NFC.

llvm-svn: 307494
---
 .../X86/GlobalISel/legalize-memop-scalar.mir       | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 llvm/test/CodeGen/X86/GlobalISel/legalize-memop-scalar.mir

diff --git a/llvm/test/CodeGen/X86/GlobalISel/legalize-memop-scalar.mir b/llvm/test/CodeGen/X86/GlobalISel/legalize-memop-scalar.mir
new file mode 100644
index 0000000..2ecb868
--- /dev/null
+++ b/llvm/test/CodeGen/X86/GlobalISel/legalize-memop-scalar.mir
@@ -0,0 +1,100 @@
+# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X64
+# RUN: llc -mtriple=i386-linux-gnu   -global-isel -run-pass=legalizer %s -o - | FileCheck %s --check-prefix=ALL --check-prefix=X32
+
+--- |
+  define void @test_memop_s8tos32() {
+    ret void
+  }
+
+  define void @test_memop_s64() {
+    ret void
+  }
+...
+---
+name:            test_memop_s8tos32
+# ALL-LABEL: name:  test_memop_s8tos32
+alignment:       4
+legalized:       false
+regBankSelected: false
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+  - { id: 3, class: _, preferred-register: '' }
+  - { id: 4, class: _, preferred-register: '' }
+  - { id: 5, class: _, preferred-register: '' }
+  - { id: 6, class: _, preferred-register: '' }
+  - { id: 7, class: _, preferred-register: '' }
+  - { id: 8, class: _, preferred-register: '' }
+# ALL:          %0(p0) = IMPLICIT_DEF
+# ALL-NEXT:     %1(s8) = G_LOAD %0(p0) :: (load 1)
+# ALL-NEXT:     %2(s16) = G_LOAD %0(p0) :: (load 2)
+# ALL-NEXT:     %3(s32) = G_LOAD %0(p0) :: (load 4)
+# ALL-NEXT:     %4(p0) = G_LOAD %0(p0) :: (load 8)
+# ALL-NEXT:     %5(s8) = IMPLICIT_DEF
+# ALL-NEXT:     G_STORE %5(s8), %0(p0) :: (store 1)
+# ALL-NEXT:     %6(s16) = IMPLICIT_DEF
+# ALL-NEXT:     G_STORE %6(s16), %0(p0) :: (store 2)
+# ALL-NEXT:     %7(s32) = IMPLICIT_DEF
+# ALL-NEXT:     G_STORE %7(s32), %0(p0) :: (store 4)
+# ALL-NEXT:     %8(p0) = IMPLICIT_DEF
+# ALL-NEXT:     G_STORE %8(p0), %0(p0) :: (store 8)
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: %rdi
+
+    %0(p0) = IMPLICIT_DEF
+    %1(s8) = G_LOAD %0(p0) :: (load 1)
+    %2(s16) = G_LOAD %0(p0) :: (load 2)
+    %3(s32) = G_LOAD %0(p0) :: (load 4)
+    %4(p0) = G_LOAD %0(p0) :: (load 8)
+
+    %5(s8) = IMPLICIT_DEF
+    G_STORE %5, %0 :: (store 1)
+    %6(s16) = IMPLICIT_DEF
+    G_STORE %6, %0 :: (store 2)
+    %7(s32) = IMPLICIT_DEF
+    G_STORE %7, %0 :: (store 4)
+    %8(p0) = IMPLICIT_DEF
+    G_STORE %8, %0 :: (store 8)
+...
+---
+name:            test_memop_s64
+# ALL-LABEL: name:  test_memop_s64
+alignment:       4
+legalized:       false
+regBankSelected: false
+registers:
+  - { id: 0, class: _, preferred-register: '' }
+  - { id: 1, class: _, preferred-register: '' }
+  - { id: 2, class: _, preferred-register: '' }
+liveins:
+# X64:          %0(p0) = IMPLICIT_DEF
+# X64-NEXT:     %1(s64) = G_LOAD %0(p0) :: (load 8)
+# X64-NEXT:     %2(s64) = IMPLICIT_DEF
+# X64-NEXT:     G_STORE %2(s64), %0(p0) :: (store 8)
+#
+# X32:          %0(p0) = IMPLICIT_DEF
+# X32-NEXT:     %3(s32) = G_LOAD %0(p0) :: (load 8)
+# X32-NEXT:     %6(s32) = G_CONSTANT i32 4
+# X32-NEXT:     %5(p0) = G_GEP %0, %6(s32)
+# X32-NEXT:     %4(s32) = G_LOAD %5(p0) :: (load 8)
+# X32-NEXT:     %1(s64) = G_MERGE_VALUES %3(s32), %4(s32)
+# X32-NEXT:     %2(s64) = IMPLICIT_DEF
+# X32-NEXT:     %7(s32), %8(s32) = G_UNMERGE_VALUES %2(s64)
+# X32-NEXT:     G_STORE %7(s32), %0(p0) :: (store 8)
+# X32-NEXT:     %10(s32) = G_CONSTANT i32 4
+# X32-NEXT:     %9(p0) = G_GEP %0, %10(s32)
+# X32-NEXT:     G_STORE %8(s32), %9(p0) :: (store 8)
+body:             |
+  bb.1 (%ir-block.0):
+    liveins: %rdi
+
+    %0(p0) = IMPLICIT_DEF
+    %1(s64) = G_LOAD %0(p0) :: (load 8)
+
+    %2(s64) = IMPLICIT_DEF
+    G_STORE %2, %0 :: (store 8)
+
+...
+
-- 
2.7.4