git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@303036
91177308-0d34-0410-b5e6-
96231b3b80d8
--- /dev/null
+; 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
+}
+
--- /dev/null
+# 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
+
+...