Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/MIR/ARM/nested-instruction-bundle-error.mir

@@ -0,0 +1,30 @@
+# RUN: not llc -mtriple thumbv7-apple-ios -run-pass none -o /dev/null %s 2>&1 | FileCheck %s
+
+--- |
+  define i32 @test1(i32 %a) {
+  entry:
+    %cmp = icmp sgt i32 %a, -78
+    %. = zext i1 %cmp to i32
+    ret i32 %.
+  }
+...
+---
+name:            test1
+tracksRegLiveness: true
+liveins:
+  - { reg: '%r0' }
+body: |
+  bb.0.entry:
+    liveins: %r0
+    %r1 = t2MOVi 0, 14, _, _
+    t2CMNri killed %r0, 78, 14, _, implicit-def %cpsr
+    BUNDLE implicit-def dead %itstate, implicit-def %r1, implicit killed %cpsr {
+      t2IT 12, 8, implicit-def %itstate
+      %r1 = t2MOVi 1, 12, killed %cpsr, _
+  ; CHECK: [[@LINE+1]]:14: nested instruction bundles are not allowed
+      BUNDLE {
+      }
+    }
+    %r0 = tMOVr killed %r1, 14, _
+    tBX_RET 14, _, implicit killed %r0
+...