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1; RUN: opt < %s -S -passes=loop-unroll -pass-remarks=loop-unroll -unroll-count=16 2>&1 | FileCheck -check-prefix=COMPLETE-UNROLL %s2; RUN: opt < %s -S -passes=loop-unroll -pass-remarks=loop-unroll -unroll-count=4 2>&1 | FileCheck -check-prefix=PARTIAL-UNROLL %s3; RUN: opt < %s -S -passes=loop-unroll -pass-remarks=loop-unroll -unroll-count=4 -unroll-runtime=true -unroll-remainder 2>&1 | FileCheck %s --check-prefix=RUNTIME-UNROLL4 5; COMPLETE-UNROLL: remark: {{.*}}: completely unrolled loop with 16 iterations6; PARTIAL-UNROLL: remark: {{.*}}: unrolled loop by a factor of 47; RUNTIME-UNROLL: remark: {{.*}}: unrolled loop by a factor of 48 9define i32 @sum() {10entry:11 br label %for.body12 13for.body: ; preds = %for.body, %entry14 %s.06 = phi i32 [ 0, %entry ], [ %add1, %for.body ]15 %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]16 %add = add nsw i32 %i.05, 417 %call = tail call i32 @baz(i32 %add) #218 %add1 = add nsw i32 %call, %s.0619 %inc = add nsw i32 %i.05, 120 %exitcond = icmp eq i32 %inc, 1621 br i1 %exitcond, label %for.end, label %for.body22 23for.end: ; preds = %for.body24 ret i32 %add125}26 27; RUNTIME-UNROLL-NOT: remark: {{.*}}: completely unrolled loop with 3 iterations28; RUNTIME-UNROLL: remark: {{.*}}: unrolled loop by a factor of 429 30define i32 @runtime(i32 %n) {31entry:32 br label %for.body33 34for.body: ; preds = %for.body, %entry35 %s.06 = phi i32 [ 0, %entry ], [ %add1, %for.body ]36 %i.05 = phi i32 [ 0, %entry ], [ %inc, %for.body ]37 %add = add nsw i32 %i.05, 438 %call = tail call i32 @baz(i32 %add) #239 %add1 = add nsw i32 %call, %s.0640 %inc = add nsw i32 %i.05, 141 %exitcond = icmp eq i32 %inc, %n42 br i1 %exitcond, label %for.end, label %for.body43 44for.end: ; preds = %for.body45 ret i32 %add146}47 48declare i32 @baz(i32)49