Imported Upstream version 5.18.0.247

Former-commit-id: 2d6af2e4ed0eda5cbdc2946446ef7718456ad190

external/llvm/test/CodeGen/X86/saddo-redundant-add.ll

@@ -1,34 +0,0 @@
-; RUN: llc < %s -mtriple=x86_64-apple-darwin | FileCheck %s
-
-define void @redundant_add(i64 %n) {
-; Check that we don't create two additions for the sadd.with.overflow.
-; CHECK-LABEL: redundant_add
-; CHECK-NOT:  leaq
-; CHECK-NOT:  addq
-; CHECK:      incq
-; CHECK-NEXT: jno
-entry:
-  br label %exit_check
-
-exit_check:
-  %i = phi i64 [ 0, %entry ], [ %i.next, %loop ]
-  %c = icmp slt i64 %i, %n
-  br i1 %c, label %loop, label %exit
-
-loop:
-  %i.o = tail call { i64, i1 } @llvm.sadd.with.overflow.i64(i64 %i, i64 1)
-  %i.next = extractvalue { i64, i1 } %i.o, 0
-  %o = extractvalue { i64, i1 } %i.o, 1
-  br i1 %o, label %overflow, label %exit_check
-
-exit:
-  ret void
-
-overflow:
-  tail call void @llvm.trap()
-  unreachable
-}
-
-declare { i64, i1 } @llvm.sadd.with.overflow.i64(i64, i64)
-declare void @llvm.trap()
-