Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/LoopUnroll/peel-loop2.ll

@@ -1,61 +0,0 @@
-; RUN: opt -S -loop-unroll -unroll-force-peel-count=1 -verify-dom-info <%s
-
-; Check if loop composed of several BBs is peeled correctly.
-
-declare void @funcb()
-@Comma = external global i8
-define void @funca(i8* readnone %b, i8* readnone %e) {
-entry:
-  %cmp2 = icmp eq i8* %b, %e
-  br i1 %cmp2, label %for.end, label %for.body.preheader
-
-for.body.preheader:
-  br label %for.body
-
-for.body:
-  %b.addr.03 = phi i8* [ %incdec.ptr, %for.inc ], [ %b, %for.body.preheader ]
-  %0 = load i8, i8* @Comma
-  %tobool = icmp eq i8 %0, 0
-  br i1 %tobool, label %for.inc, label %if.then
-
-if.then:
-  tail call void @funcb()
-  store i8 1, i8* @Comma
-  br label %for.inc
-
-for.inc:
-  %incdec.ptr = getelementptr inbounds i8, i8* %b.addr.03, i64 1
-  %cmp = icmp eq i8* %incdec.ptr, %e
-  br i1 %cmp, label %for.end, label %for.body
-
-for.end:
-  ret void
-}
-
-; CHECK_LABEL: @funca
-
-; Peeled iteration
-; CHECK: %[[REG1:[0-9]+]] = load i8, i8* @Comma
-; CHECK: %[[REG2:.*]] = icmp eq i8 %[[REG1]], 0
-; CHECK: br i1 %[[REG2]], label %{{.*}}, label %[[IFTHEN:.*]]
-; CHECK: [[IFTHEN]]:
-; CHECK: call void @funcb()
-; CHECK: store i8 1, i8* @Comma
-; CHECK: br label %[[FORINC]]
-; CHECK: [[FORINC]]:
-; CHECK: %[[REG3:.*]] = getelementptr inbounds i8, i8* %b, i64 1
-; CHECK: %[[REG4:.*]] = icmp eq i8* %[[REG3]], %e
-; CHECK: br i1 %[[REG4]]
-
-; main body
-; CHECK: %[[REG1b:.*]] = load i8, i8* @Comma
-; CHECK: %[[REG2b:.*]] = icmp eq i8 %[[REG1b]], 0
-; CHECK: br i1 %[[REG2b]], label %{{.*}}, label %[[IFTHENb:.*]]
-; CHECK: [[IFTHENb]]:
-; CHECK: call void @funcb()
-; CHECK: store i8 1, i8* @Comma
-; CHECK: br label %[[FORINCb]]
-; CHECK: [[FORINCb]]:
-; CHECK: %[[REG3b:.*]] = getelementptr inbounds i8, i8* %b, i64 1
-; CHECK: %[[REG4b:.*]] = icmp eq i8* %[[REG3b]], %e
-; CHECK: br i1 %[[REG4b]]