; RUN: opt -passes=loop-unroll -unroll-peel-count=2 -S -disable-output -debug-only=loop-unroll < %s 2>&1 | FileCheck %s ; REQUIRES: asserts define void @test() { ; CHECK-LABEL: Loop Unroll: F[test] Loop %loop3 ; CHECK-NEXT: Loop Size = 7 ; CHECK: PEELING loop %loop3 with iteration count 2! ; CHECK: Loop Unroll: F[test] Loop %loop2 ; CHECK-NEXT: Loop Size = 28 ; CHECK: PEELING loop %loop2 with iteration count 2! ; CHECK: Loop Unroll: F[test] Loop %loop4 ; CHECK-NEXT: Loop Size = 3 ; CHECK: PEELING loop %loop4 with iteration count 2! ; CHECK: Loop Unroll: F[test] Loop %loop1 ; CHECK-NEXT: Loop Size = 95 ; CHECK: PEELING loop %loop1 with iteration count 2! entry: br label %loop1 loop1: %phi = phi i32 [ 1, %entry ], [ 0, %loop1.latch ] br label %loop2 loop2: %phi3 = phi i64 [ 0, %loop1 ], [ %sext, %loop2.latch ] br label %loop3 loop3: %phi5 = phi i64 [ %phi3, %loop2 ], [ %sext, %loop3.latch ] %phi6 = phi i32 [ 1, %loop2 ], [ %add10, %loop3.latch ] %trunc = trunc i64 %phi5 to i32 br i1 true, label %loop3.latch, label %exit loop3.latch: %add = add i32 1, %phi %sext = sext i32 %add to i64 %add10 = add i32 %phi6, 1 %icmp = icmp ugt i32 %add10, 2 br i1 %icmp, label %loop2.latch, label %loop3 loop2.latch: br i1 false, label %loop4.preheader, label %loop2 loop4.preheader: br label %loop4 loop4: br i1 false, label %loop1.latch, label %loop4 loop1.latch: br label %loop1 exit: %phi8 = phi i32 [ %trunc, %loop3 ] ret void }