[llvm] r303036 - [GlobalISel][X86] G_BR instruction select test
Igor Breger via llvm-commits
llvm-commits at lists.llvm.org
Mon May 15 00:03:39 PDT 2017
Author: ibreger
Date: Mon May 15 02:03:38 2017
New Revision: 303036
URL: http://llvm.org/viewvc/llvm-project?rev=303036&view=rev
Log:
[GlobalISel][X86] G_BR instruction select test
Added:
llvm/trunk/test/CodeGen/X86/GlobalISel/br.ll
llvm/trunk/test/CodeGen/X86/GlobalISel/select-br.mir
Added: llvm/trunk/test/CodeGen/X86/GlobalISel/br.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/GlobalISel/br.ll?rev=303036&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/GlobalISel/br.ll (added)
+++ llvm/trunk/test/CodeGen/X86/GlobalISel/br.ll Mon May 15 02:03:38 2017
@@ -0,0 +1,19 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
+; RUN: llc -O0 -mtriple=x86_64-linux-gnu -global-isel %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X64
+
+define void @uncondbr() {
+; CHECK-LABEL: uncondbr:
+; CHECK: # BB#1: # %entry
+; CHECK-NEXT: jmp .LBB0_3
+; CHECK-NEXT: .LBB0_2: # %end
+; CHECK-NEXT: retq
+; CHECK-NEXT: .LBB0_3: # %bb2
+; CHECK-NEXT: jmp .LBB0_2
+entry:
+ br label %bb2
+end:
+ ret void
+bb2:
+ br label %end
+}
+
Added: llvm/trunk/test/CodeGen/X86/GlobalISel/select-br.mir
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/GlobalISel/select-br.mir?rev=303036&view=auto
==============================================================================
--- llvm/trunk/test/CodeGen/X86/GlobalISel/select-br.mir (added)
+++ llvm/trunk/test/CodeGen/X86/GlobalISel/select-br.mir Mon May 15 02:03:38 2017
@@ -0,0 +1,39 @@
+# RUN: llc -mtriple=x86_64-linux-gnu -global-isel -run-pass=instruction-select %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X64
+# RUN: llc -mtriple=i386-linux-gnu -global-isel -run-pass=instruction-select %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=X32
+
+--- |
+ define void @uncondbr() {
+ entry:
+ br label %bb2
+
+ end: ; preds = %bb2
+ ret void
+
+ bb2: ; preds = %entry
+ br label %end
+ }
+
+...
+---
+name: uncondbr
+# CHECK-LABEL: name: uncondbr
+alignment: 4
+legalized: true
+regBankSelected: true
+# CHECK: JMP_1 %bb.2.bb2
+# CHECK: JMP_1 %bb.1.end
+body: |
+ bb.1.entry:
+ successors: %bb.3.bb2(0x80000000)
+
+ G_BR %bb.3.bb2
+
+ bb.2.end:
+ RET 0
+
+ bb.3.bb2:
+ successors: %bb.2.end(0x80000000)
+
+ G_BR %bb.2.end
+
+...
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