[llvm] 9cd8db1 - [NFC][PowerPC] Add 2 test cases to early-ret.mir to test BLR and BCCLR

[Kang Zhang via llvm-commits]

Author: Kang Zhang
Date: 2020-03-17T15:52:44Z
New Revision: 9cd8db1c80c252719e1294c753996000aa23527d

URL: https://github.com/llvm/llvm-project/commit/9cd8db1c80c252719e1294c753996000aa23527d
DIFF: https://github.com/llvm/llvm-project/commit/9cd8db1c80c252719e1294c753996000aa23527d.diff

LOG: [NFC][PowerPC] Add 2 test cases to early-ret.mir to test BLR and BCCLR

Added: 
    

Modified: 
    llvm/test/CodeGen/PowerPC/early-ret.mir

Removed: 
    


################################################################################
diff  --git a/llvm/test/CodeGen/PowerPC/early-ret.mir b/llvm/test/CodeGen/PowerPC/early-ret.mir
index 6897b208bb92..f534fd0e2702 100644
--- a/llvm/test/CodeGen/PowerPC/early-ret.mir
+++ b/llvm/test/CodeGen/PowerPC/early-ret.mir
@@ -1,6 +1,39 @@
 # RUN: llc -mtriple powerpc64le-unknown-linux-gnu -run-pass=ppc-early-ret -o \
 # RUN:   - %s -verify-machineinstrs | FileCheck %s
 
+---
+name:            testBLR
+body:             |
+  bb.0.entry:
+    successors: %bb.1(0x40000000), %bb.2(0x40000000)
+    liveins: $r3, $r4
+
+    renamable $cr0 = CMPWI renamable $r3, 0
+    BC killed renamable $cr0gt, %bb.1
+    B %bb.2
+
+  bb.1.entry:
+    successors: %bb.2(0x80000000)
+    liveins: $r4
+
+    renamable $r3 = ADDI killed renamable $r4, 0
+
+  bb.2.entry:
+    liveins: $r3, $r4, $cr0eq, $cr0lt, $cr0un, $cr0, $cr0gt, $r3, $r3, $r4, $r3, $cr0gt
+
+    BLR implicit $lr, implicit $rm, implicit killed $r3
+
+  ; CHECK-LABEL: name: testBLR
+  ; CHECK: bb.0.entry:
+  ; CHECK:   renamable $cr0 = CMPWI renamable $r3, 0
+  ; CHECK:   BC killed renamable $cr0gt, %bb.1
+  ; CHECK:   BLR implicit $lr, implicit $rm, implicit $lr, implicit $rm, implicit killed $r3
+  ; CHECK: bb.1.entry:
+  ; CHECK:   renamable $r3 = ADDI killed renamable $r4, 0
+  ; CHECK:   BLR implicit $lr, implicit $rm, implicit killed $r3
+...
+
+
 ---
 name:            testBCLRn
 body:             |
@@ -81,3 +114,33 @@ body:             |
   ; CHECK:   $v2 = VOR killed $v3, $v3
   ; CHECK:   BLR implicit $lr, implicit $rm, implicit killed $v2
 ...
+
+
+---
+name:            testBCCLR
+body:             |
+  bb.0.entry:
+    successors: %bb.2(0x40000000), %bb.1(0x40000000)
+
+    renamable $r4 = LI 0
+    renamable $cr0 = CMPLWI killed renamable $r4, 0
+    BCC 68, renamable $cr0, %bb.2
+
+  bb.1:
+    successors: %bb.2(0x40000000)
+    liveins: $cr0
+
+    BCC 68, killed renamable $cr0, %bb.2
+
+  bb.2:
+    BLR implicit $lr, implicit $rm
+
+  ; CHECK-LABEL: name: testBCCLR
+  ; CHECK: bb.0.entry:
+  ; CHECK: renamable $r4 = LI 0
+  ; CHECK: renamable $cr0 = CMPLWI killed renamable $r4, 0
+  ; CHECK: BCCLR 68, $cr0, implicit $lr, implicit $rm, implicit $lr, implicit $rm
+  ; CHECK: bb.1:
+  ; CHECK: BCCLR 68, $cr0, implicit $lr, implicit $rm, implicit $lr, implicit $rm
+  ; CHECK: BLR implicit $lr, implicit $rm
+...