Imported Upstream version 5.18.0.207

Former-commit-id: 3b152f462918d427ce18620a2cbe4f8b79650449

external/llvm/test/Transforms/LICM/sink.ll

@@ -1,63 +0,0 @@
-; RUN: opt -S -licm < %s | FileCheck %s --check-prefix=CHECK-LICM
-; RUN: opt -S -licm < %s | opt -S -loop-sink | FileCheck %s --check-prefix=CHECK-SINK
-; RUN: opt -S < %s -passes='require<opt-remark-emit>,loop(licm),loop-sink' \
-; RUN:     | FileCheck %s --check-prefix=CHECK-SINK
-
-; Original source code:
-; int g;
-; int foo(int p, int x) {
-;   for (int i = 0; i != x; i++)
-;     if (__builtin_expect(i == p, 0)) {
-;       x += g; x *= g;
-;     }
-;   return x;
-; }
-;
-; Load of global value g should not be hoisted to preheader.
-
-@g = global i32 0, align 4
-
-define i32 @foo(i32, i32) #0 !prof !2 {
-  %3 = icmp eq i32 %1, 0
-  br i1 %3, label %._crit_edge, label %.lr.ph.preheader
-
-.lr.ph.preheader:
-  br label %.lr.ph
-
-; CHECK-LICM: .lr.ph.preheader:
-; CHECK-LICM: load i32, i32* @g
-; CHECK-LICM: br label %.lr.ph
-
-.lr.ph:
-  %.03 = phi i32 [ %8, %.combine ], [ 0, %.lr.ph.preheader ]
-  %.012 = phi i32 [ %.1, %.combine ], [ %1, %.lr.ph.preheader ]
-  %4 = icmp eq i32 %.03, %0
-  br i1 %4, label %.then, label %.combine, !prof !1
-
-.then:
-  %5 = load i32, i32* @g, align 4
-  %6 = add nsw i32 %5, %.012
-  %7 = mul nsw i32 %6, %5
-  br label %.combine
-
-; CHECK-SINK: .then:
-; CHECK-SINK: load i32, i32* @g
-; CHECK-SINK: br label %.combine
-
-.combine:
-  %.1 = phi i32 [ %7, %.then ], [ %.012, %.lr.ph ]
-  %8 = add nuw nsw i32 %.03, 1
-  %9 = icmp eq i32 %8, %.1
-  br i1 %9, label %._crit_edge.loopexit, label %.lr.ph
-
-._crit_edge.loopexit:
-  %.1.lcssa = phi i32 [ %.1, %.combine ]
-  br label %._crit_edge
-
-._crit_edge:
-  %.01.lcssa = phi i32 [ 0, %2 ], [ %.1.lcssa, %._crit_edge.loopexit ]
-  ret i32 %.01.lcssa
-}
-
-!1 = !{!"branch_weights", i32 1, i32 2000}
-!2 = !{!"function_entry_count", i64 1}