[PATCH] D90398: [ARM] Add IT block generation test

[Nicholas Guy via Phabricator via llvm-commits]

This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG7b8de9fc6bce: [ARM] Add IT block generation test (authored by NickGuy).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D90398/new/

https://reviews.llvm.org/D90398

Files:
  llvm/test/CodeGen/Thumb2/ifcvt-dead-predicate.mir


Index: llvm/test/CodeGen/Thumb2/ifcvt-dead-predicate.mir
===================================================================
--- /dev/null
+++ llvm/test/CodeGen/Thumb2/ifcvt-dead-predicate.mir
@@ -0,0 +1,80 @@
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -o - %s -run-pass=if-converter -simplify-mir | FileCheck %s
+
+--- |
+  ; ModuleID = 'ifcvt-dead-predicate.ll'
+  source_filename = "ifcvt-dead-predicate.ll"
+  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
+  target triple = "thumbv7-unknown-linux-android16"
+
+  ; Function Attrs: minsize nounwind optsize ssp uwtable
+  define hidden zeroext i1 @branch_entry(i32* %command_set, i8* %requested_filename, i8** %filename_to_use) local_unnamed_addr #0 {
+  entry:
+    %0 = load i32, i32* %command_set, align 4
+    %and.i.i = and i32 %0, 128
+    %tobool.i.i.not = icmp eq i32 %and.i.i, 0
+    br i1 %tobool.i.i.not, label %land.end, label %land.rhs
+
+  land.rhs:                                         ; preds = %entry
+    %call1 = tail call zeroext i1 @branch_target(i8* %requested_filename, i8** %filename_to_use)
+    ret i1 %call1
+
+  land.end:                                         ; preds = %entry
+    ret i1 false
+  }
+
+  ; Function Attrs: minsize optsize
+  declare zeroext i1 @branch_target(i8*, i8**) local_unnamed_addr #1
+
+  attributes #0 = { minsize nounwind optsize ssp uwtable }
+  attributes #1 = { minsize optsize }
+
+...
+---
+name:            branch_entry
+alignment:       2
+tracksRegLiveness: true
+liveins:
+  - { reg: '$r0' }
+  - { reg: '$r1' }
+  - { reg: '$r2' }
+frameInfo:
+  maxAlignment:    1
+  maxCallFrameSize: 0
+machineFunctionInfo: {}
+body:             |
+  ; CHECK-LABEL: name: branch_entry
+  ; CHECK: bb.0.entry:
+  ; CHECK:   successors: %bb.1, %bb.2
+  ; CHECK:   liveins: $r0, $r1, $r2
+  ; CHECK:   renamable $r0 = tLDRBi killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (load 1 from %ir.command_set, align 4)
+  ; CHECK:   dead renamable $r0, $cpsr = tLSLri killed renamable $r0, 24, 14 /* CC::al */, $noreg
+  ; CHECK:   t2Bcc %bb.2, 4 /* CC::mi */, killed $cpsr
+  ; CHECK: bb.1.land.end:
+  ; CHECK:   $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
+  ; CHECK:   tBX_RET 14 /* CC::al */, $noreg, implicit $r0
+  ; CHECK: bb.2.land.rhs:
+  ; CHECK:   liveins: $r1, $r2
+  ; CHECK:   $r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
+  ; CHECK:   $r1 = tMOVr killed $r2, 14 /* CC::al */, $noreg
+  ; CHECK:   tTAILJMPdND @branch_target, 14 /* CC::al */, $noreg, implicit $sp, implicit $sp, implicit $r0, implicit $r1
+  bb.0.entry:
+    successors: %bb.1, %bb.2
+    liveins: $r0, $r1, $r2
+
+    renamable $r0 = tLDRBi killed renamable $r0, 0, 14 /* CC::al */, $noreg :: (load 1 from %ir.command_set, align 4)
+    dead renamable $r0, $cpsr = tLSLri killed renamable $r0, 24, 14 /* CC::al */, $noreg
+    t2Bcc %bb.2, 4 /* CC::mi */, killed $cpsr
+
+  bb.1.land.end:
+    $r0, dead $cpsr = tMOVi8 0, 14 /* CC::al */, $noreg
+    tBX_RET 14 /* CC::al */, $noreg, implicit $r0
+
+  bb.2.land.rhs:
+    liveins: $r1, $r2
+
+    $r0 = tMOVr killed $r1, 14 /* CC::al */, $noreg
+    $r1 = tMOVr killed $r2, 14 /* CC::al */, $noreg
+    tTAILJMPdND @branch_target, 14 /* CC::al */, $noreg, implicit $sp, implicit $sp, implicit $r0, implicit $r1
+
+...


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D90398.301630.patch
Type: text/x-patch
Size: 3342 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20201029/9c445177/attachment.bin>